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44400040401 = 314800013467
BaseRepresentation
bin101001010110011100…
…101101100111010001
311020121022111202012210
4221112130231213101
51211412402243101
632221434542333
73131163054633
oct512634554721
9136538452183
1044400040401
1117914735572
1287315979a9
13425782aa72
142212ad6a53
15124ce2c7d6
hexa5672d9d1

44400040401 has 4 divisors (see below), whose sum is σ = 59200053872. Its totient is φ = 29600026932.

The previous prime is 44400040381. The next prime is 44400040499. The reversal of 44400040401 is 10404000444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44400040401 - 25 = 44400040369 is a prime.

It is a super-2 number, since 2×444000404012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44400040301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7400006731 + ... + 7400006736.

It is an arithmetic number, because the mean of its divisors is an integer number (14800013468).

Almost surely, 244400040401 is an apocalyptic number.

It is an amenable number.

44400040401 is a deficient number, since it is larger than the sum of its proper divisors (14800013471).

44400040401 is a wasteful number, since it uses less digits than its factorization.

44400040401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14800013470.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 44400040401 its reverse (10404000444), we get a palindrome (54804040845).

The spelling of 44400040401 in words is "forty-four billion, four hundred million, forty thousand, four hundred one".

Divisors: 1 3 14800013467 44400040401