40064272 has 20 divisors (see below), whose sum is σ = 78020800. Its totient is φ = 19929888.

The previous prime is 40064267. The next prime is 40064279. The reversal of 40064272 is 27246004.

It is not an unprimeable number, because it can be changed into a prime (40064279) 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, 3108 + ... + 9475.

It is an arithmetic number, because the mean of its divisors is an integer number (3901040).

Almost surely, 2^40064272 is an apocalyptic number.

It is an amenable number.

40064272 is a deficient number, since it is larger than the sum of its proper divisors (37956528).

40064272 is a wasteful number, since it uses less digits than its factorization.

40064272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12790 (or 12784 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 40064272 is about 6329.6344286222. The cubic root of 40064272 is about 342.1782639390.

The spelling of 40064272 in words is "forty million, sixty-four thousand, two hundred seventy-two".