40727731272 has 64 divisors (see below), whose sum is σ = 102819974400. Its totient is φ = 13442944320.

The previous prime is 40727731267. The next prime is 40727731307. The reversal of 40727731272 is 27213772704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1454379 + ... + 1482117.

It is an arithmetic number, because the mean of its divisors is an integer number (1606562100).

Almost surely, 2^40727731272 is an apocalyptic number.

It is an amenable number.

40727731272 is an abundant number, since it is smaller than the sum of its proper divisors (62092243128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40727731272 is a wasteful number, since it uses less digits than its factorization.

40727731272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28346 (or 28342 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 42.

The spelling of 40727731272 in words is "forty billion, seven hundred twenty-seven million, seven hundred thirty-one thousand, two hundred seventy-two".