40500377745865 has 16 divisors (see below), whose sum is σ = 48861088012800. Its totient is φ = 32226817859200.

The previous prime is 40500377745809. The next prime is 40500377745943. The reversal of 40500377745865 is 56854777300504.

It is not a de Polignac number, because 40500377745865 - 2⁹ = 40500377745353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15817561 + ... + 18198790.

It is an arithmetic number, because the mean of its divisors is an integer number (3053818000800).

Almost surely, 2^{40500377745865} is an apocalyptic number.

It is an amenable number.

40500377745865 is a deficient number, since it is larger than the sum of its proper divisors (8360710266935).

40500377745865 is a wasteful number, since it uses less digits than its factorization.

40500377745865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34017632.

The product of its (nonzero) digits is 98784000, while the sum is 61.

The spelling of 40500377745865 in words is "forty trillion, five hundred billion, three hundred seventy-seven million, seven hundred forty-five thousand, eight hundred sixty-five".