40069534072 has 32 divisors (see below), whose sum is σ = 79565548320. Its totient is φ = 18852520960.

The previous prime is 40069534061. The next prime is 40069534079. The reversal of 40069534072 is 27043596004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40069534079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734028 + ... + 786724.

It is an arithmetic number, because the mean of its divisors is an integer number (2486423385).

Almost surely, 2^40069534072 is an apocalyptic number.

It is an amenable number.

40069534072 is a deficient number, since it is larger than the sum of its proper divisors (39496014248).

40069534072 is a wasteful number, since it uses less digits than its factorization.

40069534072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58311 (or 58307 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 40069534072 in words is "forty billion, sixty-nine million, five hundred thirty-four thousand, seventy-two".