47131337640 has 64 divisors (see below), whose sum is σ = 141421800960. Its totient is φ = 12565886720.

The previous prime is 47131337611. The next prime is 47131337657. The reversal of 47131337640 is 4673313174.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621385 + ... + 693095.

It is an arithmetic number, because the mean of its divisors is an integer number (2209715640).

Almost surely, 2^47131337640 is an apocalyptic number.

47131337640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47131337640 is an abundant number, since it is smaller than the sum of its proper divisors (94290463320).

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

47131337640 is a wasteful number, since it uses less digits than its factorization.

47131337640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77202 (or 77198 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 39.

The spelling of 47131337640 in words is "forty-seven billion, one hundred thirty-one million, three hundred thirty-seven thousand, six hundred forty".