40666423524 has 24 divisors (see below), whose sum is σ = 94910192160. Its totient is φ = 13552350144.

The previous prime is 40666423517. The next prime is 40666423597. The reversal of 40666423524 is 42532466604.

40666423524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 336009 + ... + 440720.

It is an arithmetic number, because the mean of its divisors is an integer number (3954591340).

Almost surely, 2^40666423524 is an apocalyptic number.

It is an amenable number.

40666423524 is an abundant number, since it is smaller than the sum of its proper divisors (54243768636).

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

40666423524 is a wasteful number, since it uses less digits than its factorization.

40666423524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781099 (or 781097 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 40666423524 in words is "forty billion, six hundred sixty-six million, four hundred twenty-three thousand, five hundred twenty-four".