40070400032065 has 32 divisors (see below), whose sum is σ = 51866514475776. Its totient is φ = 29542909144320.

The previous prime is 40070400032057. The next prime is 40070400032077. The reversal of 40070400032065 is 56023000407004.

It is not a de Polignac number, because 40070400032065 - 2³ = 40070400032057 is a prime.

It is a super-3 number, since 3×40070400032065³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208818454 + ... + 209010256.

It is an arithmetic number, because the mean of its divisors is an integer number (1620828577368).

Almost surely, 2^{40070400032065} is an apocalyptic number.

It is an amenable number.

40070400032065 is a deficient number, since it is larger than the sum of its proper divisors (11796114443711).

40070400032065 is a wasteful number, since it uses less digits than its factorization.

40070400032065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196969.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 40070400032065 its reverse (56023000407004), we get a palindrome (96093400439069).

The spelling of 40070400032065 in words is "forty trillion, seventy billion, four hundred million, thirty-two thousand, sixty-five".