40371540372 has 96 divisors (see below), whose sum is σ = 109273113600. Its totient is φ = 12865555296.

The previous prime is 40371540371. The next prime is 40371540379. The reversal of 40371540372 is 27304517304.

40371540372 is a `hidden beast` number, since 40 + 3 + 7 + 1 + 540 + 3 + 72 = 666.

It is a super-2 number, since 2×40371540372² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40371540371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8092863 + ... + 8097849.

It is an arithmetic number, because the mean of its divisors is an integer number (1138261600).

Almost surely, 2^40371540372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40371540372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54636556800).

40371540372 is an abundant number, since it is smaller than the sum of its proper divisors (68901573228).

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

40371540372 is a wasteful number, since it uses less digits than its factorization.

40371540372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8282 (or 8274 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 40371540372 in words is "forty billion, three hundred seventy-one million, five hundred forty thousand, three hundred seventy-two".