47685507540 has 48 divisors (see below), whose sum is σ = 145657552320. Its totient is φ = 11560122880.

The previous prime is 47685507539. The next prime is 47685507553. The reversal of 47685507540 is 4570558674.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36124725 + ... + 36126044.

It is an arithmetic number, because the mean of its divisors is an integer number (3034532340).

Almost surely, 2^47685507540 is an apocalyptic number.

It is an amenable number.

47685507540 is an abundant number, since it is smaller than the sum of its proper divisors (97972044780).

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

47685507540 is a wasteful number, since it uses less digits than its factorization.

47685507540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72250792 (or 72250790 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 51.

The spelling of 47685507540 in words is "forty-seven billion, six hundred eighty-five million, five hundred seven thousand, five hundred forty".