40311723372 has 24 divisors (see below), whose sum is σ = 94747266096. Its totient is φ = 13339158528.

The previous prime is 40311723359. The next prime is 40311723373. The reversal of 40311723372 is 27332711304.

It is not an unprimeable number, because it can be changed into a prime (40311723373) 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, 12258613 + ... + 12261900.

It is an arithmetic number, because the mean of its divisors is an integer number (3947802754).

Almost surely, 2^40311723372 is an apocalyptic number.

It is an amenable number.

40311723372 is an abundant number, since it is smaller than the sum of its proper divisors (54435542724).

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

40311723372 is a wasteful number, since it uses less digits than its factorization.

40311723372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24520657 (or 24520655 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The spelling of 40311723372 in words is "forty billion, three hundred eleven million, seven hundred twenty-three thousand, three hundred seventy-two".