44902807497 has 6 divisors (see below), whose sum is σ = 64859610842. Its totient is φ = 29935204992.

The previous prime is 44902807493. The next prime is 44902807571. The reversal of 44902807497 is 79470820944.

It is a happy number.

44902807497 is a `hidden beast` number, since 4 + 490 + 2 + 80 + 74 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34386510096 + 10516297401 = 185436^2 + 102549^2 .

It is not a de Polignac number, because 44902807497 - 2² = 44902807493 is a prime.

It is a super-2 number, since 2×44902807497² (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 (44902807493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2494600408 + ... + 2494600425.

Almost surely, 2^44902807497 is an apocalyptic number.

It is an amenable number.

44902807497 is a deficient number, since it is larger than the sum of its proper divisors (19956803345).

44902807497 is a wasteful number, since it uses less digits than its factorization.

44902807497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989200839 (or 4989200836 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 44902807497 in words is "forty-four billion, nine hundred two million, eight hundred seven thousand, four hundred ninety-seven".