49646647020 has 24 divisors (see below), whose sum is σ = 139010611824. Its totient is φ = 13239105856.

The previous prime is 49646646967. The next prime is 49646647021. The reversal of 49646647020 is 2074664694.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49646647021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413721999 + ... + 413722118.

It is an arithmetic number, because the mean of its divisors is an integer number (5792108826).

Almost surely, 2^49646647020 is an apocalyptic number.

It is an amenable number.

49646647020 is an abundant number, since it is smaller than the sum of its proper divisors (89363964804).

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

49646647020 is a wasteful number, since it uses less digits than its factorization.

49646647020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827444129 (or 827444127 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 49646647020 in words is "forty-nine billion, six hundred forty-six million, six hundred forty-seven thousand, twenty".