40815508452 has 48 divisors (see below), whose sum is σ = 99440732160. Its totient is φ = 13005280288.

The previous prime is 40815508451. The next prime is 40815508499. The reversal of 40815508452 is 25480551804.

It is not an unprimeable number, because it can be changed into a prime (40815508451) 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 15 ways as a sum of consecutive naturals, for example, 390199 + ... + 483617.

It is an arithmetic number, because the mean of its divisors is an integer number (2071681920).

Almost surely, 2^40815508452 is an apocalyptic number.

It is an amenable number.

40815508452 is an abundant number, since it is smaller than the sum of its proper divisors (58625223708).

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

40815508452 is a wasteful number, since it uses less digits than its factorization.

40815508452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95032 (or 95030 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 42.

The spelling of 40815508452 in words is "forty billion, eight hundred fifteen million, five hundred eight thousand, four hundred fifty-two".