44354525390721 has 288 divisors, whose sum is σ = 82511820238848. Its totient is φ = 22749693281280.

The previous prime is 44354525390701. The next prime is 44354525390731. The reversal of 44354525390721 is 12709352545344.

It is a happy number.

44354525390721 is a `hidden beast` number, since 4 + 4 + 3 + 5 + 4 + 525 + 3 + 90 + 7 + 21 = 666.

It is not a de Polignac number, because 44354525390721 - 2²⁵ = 44354491836289 is a prime.

It is a super-2 number, since 2×44354525390721² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (44354525390701) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 13634958531 + ... + 13634961783.

Almost surely, 2^{44354525390721} is an apocalyptic number.

It is an amenable number.

44354525390721 is a deficient number, since it is larger than the sum of its proper divisors (38157294848127).

44354525390721 is a wasteful number, since it uses less digits than its factorization.

44354525390721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 54.

The spelling of 44354525390721 in words is "forty-four trillion, three hundred fifty-four billion, five hundred twenty-five million, three hundred ninety thousand, seven hundred twenty-one".