40512655624 has 16 divisors (see below), whose sum is σ = 86812833600. Its totient is φ = 17362566672.

The previous prime is 40512655621. The next prime is 40512655661. The reversal of 40512655624 is 42655621504.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40512655621) 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, 361720084 + ... + 361720195.

It is an arithmetic number, because the mean of its divisors is an integer number (5425802100).

Almost surely, 2^40512655624 is an apocalyptic number.

It is an amenable number.

40512655624 is an abundant number, since it is smaller than the sum of its proper divisors (46300177976).

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

40512655624 is a wasteful number, since it uses less digits than its factorization.

40512655624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723440292 (or 723440288 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 40512655624 in words is "forty billion, five hundred twelve million, six hundred fifty-five thousand, six hundred twenty-four".