40502291272 has 16 divisors (see below), whose sum is σ = 75983299200. Its totient is φ = 20240078160.

The previous prime is 40502291243. The next prime is 40502291273. The reversal of 40502291272 is 27219220504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40502291273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367872 + ... + 1397167.

It is an arithmetic number, because the mean of its divisors is an integer number (4748956200).

Almost surely, 2^40502291272 is an apocalyptic number.

It is an amenable number.

40502291272 is a deficient number, since it is larger than the sum of its proper divisors (35481007928).

40502291272 is a wasteful number, since it uses less digits than its factorization.

40502291272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766876 (or 2766872 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 40502291272 in words is "forty billion, five hundred two million, two hundred ninety-one thousand, two hundred seventy-two".