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244421120240 = 24511277751273
BaseRepresentation
bin1110001110100010100…
…0100101000011110000
3212100220010110101210222
43203220220211003300
513001033301321430
6304141400512212
723441661146123
oct3435050450360
9770803411728
10244421120240
1194727394320
123b45417b668
131a08331a9cb
14bb899043ba
1565581679e5
hex38e8a250f0

244421120240 has 40 divisors (see below), whose sum is σ = 619940843568. Its totient is φ = 88880407040.

The previous prime is 244421120233. The next prime is 244421120243. The reversal of 244421120240 is 42021124442.

It is a happy number.

244421120240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244421120243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138874757 + ... + 138876516.

Almost surely, 2244421120240 is an apocalyptic number.

244421120240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244421120240 is an abundant number, since it is smaller than the sum of its proper divisors (375519723328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244421120240 is a wasteful number, since it uses less digits than its factorization.

244421120240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277751297 (or 277751291 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 244421120240 its reverse (42021124442), we get a palindrome (286442244682).

The spelling of 244421120240 in words is "two hundred forty-four billion, four hundred twenty-one million, one hundred twenty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 277751273 555502546 1111005092 1388756365 2222010184 2777512730 3055264003 4444020368 5555025460 6110528006 11110050920 12221056012 15276320015 22220101840 24442112024 30552640030 48884224048 61105280060 122210560120 244421120240