40444400137797 has 12 divisors (see below), whose sum is σ = 58422469794624. Its totient is φ = 26961650022120.

The previous prime is 40444400137777. The next prime is 40444400137849. The reversal of 40444400137797 is 79773100444404.

40444400137797 is a `hidden beast` number, since 4 + 0 + 44 + 440 + 0 + 1 + 3 + 77 + 97 = 666.

It is not a de Polignac number, because 40444400137797 - 2⁶ = 40444400137733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444400137747) 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, 106750653 + ... + 107128850.

It is an arithmetic number, because the mean of its divisors is an integer number (4868539149552).

Almost surely, 2^{40444400137797} is an apocalyptic number.

It is an amenable number.

40444400137797 is a deficient number, since it is larger than the sum of its proper divisors (17978069656827).

40444400137797 is a wasteful number, since it uses less digits than its factorization.

40444400137797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213900520 (or 213900517 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 54.

The spelling of 40444400137797 in words is "forty trillion, four hundred forty-four billion, four hundred million, one hundred thirty-seven thousand, seven hundred ninety-seven".