40005453272 has 16 divisors (see below), whose sum is σ = 75014023200. Its totient is φ = 20001713760.

The previous prime is 40005453227. The next prime is 40005453289. The reversal of 40005453272 is 27235450004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56897 + ... + 288527.

It is an arithmetic number, because the mean of its divisors is an integer number (4688376450).

Almost surely, 2^40005453272 is an apocalyptic number.

It is an amenable number.

40005453272 is a deficient number, since it is larger than the sum of its proper divisors (35008569928).

40005453272 is a wasteful number, since it uses less digits than its factorization.

40005453272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253226 (or 253222 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The spelling of 40005453272 in words is "forty billion, five million, four hundred fifty-three thousand, two hundred seventy-two".