40097957145 has 16 divisors (see below), whose sum is σ = 64159525440. Its totient is φ = 21384645824.

The previous prime is 40097957129. The next prime is 40097957147. The reversal of 40097957145 is 54175979004.

It is a cyclic number.

It is not a de Polignac number, because 40097957145 - 2⁴ = 40097957129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40097957147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429562 + ... + 514508.

It is an arithmetic number, because the mean of its divisors is an integer number (4009970340).

Almost surely, 2^40097957145 is an apocalyptic number.

It is an amenable number.

40097957145 is a deficient number, since it is larger than the sum of its proper divisors (24061568295).

40097957145 is a wasteful number, since it uses less digits than its factorization.

40097957145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116424.

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 40097957145 in words is "forty billion, ninety-seven million, nine hundred fifty-seven thousand, one hundred forty-five".