40489815572 has 24 divisors (see below), whose sum is σ = 74768702400. Its totient is φ = 19147109696.

The previous prime is 40489815547. The next prime is 40489815581. The reversal of 40489815572 is 27551898404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2464322 + ... + 2480697.

It is an arithmetic number, because the mean of its divisors is an integer number (3115362600).

Almost surely, 2^40489815572 is an apocalyptic number.

It is an amenable number.

40489815572 is a deficient number, since it is larger than the sum of its proper divisors (34278886828).

40489815572 is a wasteful number, since it uses less digits than its factorization.

40489815572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4945135 (or 4945133 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 40489815572 in words is "forty billion, four hundred eighty-nine million, eight hundred fifteen thousand, five hundred seventy-two".