40531035992 has 16 divisors (see below), whose sum is σ = 76008488400. Its totient is φ = 20262105760.

The previous prime is 40531035991. The next prime is 40531035997. The reversal of 40531035992 is 29953013504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40531035991) 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, 375692 + ... + 471387.

It is an arithmetic number, because the mean of its divisors is an integer number (4750530525).

Almost surely, 2^40531035992 is an apocalyptic number.

It is an amenable number.

40531035992 is a deficient number, since it is larger than the sum of its proper divisors (35477452408).

40531035992 is a wasteful number, since it uses less digits than its factorization.

40531035992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853066 (or 853062 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 40531035992 in words is "forty billion, five hundred thirty-one million, thirty-five thousand, nine hundred ninety-two".