47006521408 has 84 divisors (see below), whose sum is σ = 117176515456. Its totient is φ = 18314208000.

The previous prime is 47006521363. The next prime is 47006521433. The reversal of 47006521408 is 80412560074.

It is a super-2 number, since 2×47006521408² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379368 + ... + 487783.

Almost surely, 2^47006521408 is an apocalyptic number.

It is an amenable number.

47006521408 is an abundant number, since it is smaller than the sum of its proper divisors (70169994048).

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

47006521408 is a wasteful number, since it uses less digits than its factorization.

47006521408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867192 (or 867171 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 47006521408 in words is "forty-seven billion, six million, five hundred twenty-one thousand, four hundred eight".