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44440165044 = 223211112222639
BaseRepresentation
bin101001011000110101…
…110001101010110100
311020201010000021212200
4221120311301222310
51212003140240134
632225430544500
73132161112252
oct513065615264
9136633007780
1044440165044
1117935350830
128742b08130
134262c39262
14221817d5d2
151251706499
hexa58d71ab4

44440165044 has 36 divisors (see below), whose sum is σ = 122547122880. Its totient is φ = 13466716560.

The previous prime is 44440165043. The next prime is 44440165067. The reversal of 44440165044 is 44056104444.

44440165044 is digitally balanced in base 2, 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 (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440165043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56110924 + ... + 56111715.

Almost surely, 244440165044 is an apocalyptic number.

44440165044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44440165044 is an abundant number, since it is smaller than the sum of its proper divisors (78106957836).

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

44440165044 is a wasteful number, since it uses less digits than its factorization.

44440165044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112222660 (or 112222655 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 44440165044 its reverse (44056104444), we get a palindrome (88496269488).

The spelling of 44440165044 in words is "forty-four billion, four hundred forty million, one hundred sixty-five thousand, forty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 112222639 224445278 336667917 448890556 673335834 1010003751 1234449029 1346671668 2020007502 2468898058 3703347087 4040015004 4937796116 7406694174 11110041261 14813388348 22220082522 44440165044