49867245920 has 24 divisors (see below), whose sum is σ = 117811368864. Its totient is φ = 19946898304.

The previous prime is 49867245917. The next prime is 49867245941. The reversal of 49867245920 is 2954276894.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155834984 + ... + 155835303.

It is an arithmetic number, because the mean of its divisors is an integer number (4908807036).

Almost surely, 2^49867245920 is an apocalyptic number.

49867245920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49867245920 is an abundant number, since it is smaller than the sum of its proper divisors (67944122944).

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

49867245920 is a wasteful number, since it uses less digits than its factorization.

49867245920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311670302 (or 311670294 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 49867245920 in words is "forty-nine billion, eight hundred sixty-seven million, two hundred forty-five thousand, nine hundred twenty".