40531725216 has 48 divisors (see below), whose sum is σ = 118217534400. Its totient is φ = 13510574784.

The previous prime is 40531725211. The next prime is 40531725253. The reversal of 40531725216 is 61252713504.

40531725216 is a `hidden beast` number, since 4 + 0 + 531 + 72 + 52 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is not an unprimeable number, because it can be changed into a prime (40531725211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23454996 + ... + 23456723.

It is an arithmetic number, because the mean of its divisors is an integer number (2462865300).

Almost surely, 2^40531725216 is an apocalyptic number.

It is an amenable number.

40531725216 is an abundant number, since it is smaller than the sum of its proper divisors (77685809184).

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

40531725216 is a wasteful number, since it uses less digits than its factorization.

40531725216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46911738 (or 46911724 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 40531725216 in words is "forty billion, five hundred thirty-one million, seven hundred twenty-five thousand, two hundred sixteen".