40215775072 has 48 divisors (see below), whose sum is σ = 86408404992. Its totient is φ = 18272302720.

The previous prime is 40215775051. The next prime is 40215775073. The reversal of 40215775072 is 27057751204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40215775073) 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, 872673 + ... + 917599.

It is an arithmetic number, because the mean of its divisors is an integer number (1800175104).

Almost surely, 2^40215775072 is an apocalyptic number.

It is an amenable number.

40215775072 is an abundant number, since it is smaller than the sum of its proper divisors (46192629920).

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

40215775072 is a wasteful number, since it uses less digits than its factorization.

40215775072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47491 (or 47483 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 40.

The spelling of 40215775072 in words is "forty billion, two hundred fifteen million, seven hundred seventy-five thousand, seventy-two".