40245373422065 has 64 divisors (see below), whose sum is σ = 56705081647104. Its totient is φ = 26848384028928.

The previous prime is 40245373422049. The next prime is 40245373422101. The reversal of 40245373422065 is 56022437354204.

It is not a de Polignac number, because 40245373422065 - 2⁴ = 40245373422049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 363869702 + ... + 363980288.

It is an arithmetic number, because the mean of its divisors is an integer number (886016900736).

Almost surely, 2^{40245373422065} is an apocalyptic number.

It is an amenable number.

40245373422065 is a deficient number, since it is larger than the sum of its proper divisors (16459708225039).

40245373422065 is a wasteful number, since it uses less digits than its factorization.

40245373422065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111966.

The product of its (nonzero) digits is 4838400, while the sum is 47.

The spelling of 40245373422065 in words is "forty trillion, two hundred forty-five billion, three hundred seventy-three million, four hundred twenty-two thousand, sixty-five".