49120866912 has 48 divisors (see below), whose sum is σ = 138860915760. Its totient is φ = 15114112512.

The previous prime is 49120866853. The next prime is 49120866919. The reversal of 49120866912 is 21966802194.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49120866919) 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, 19678587 + ... + 19681082.

It is an arithmetic number, because the mean of its divisors is an integer number (2892935745).

Almost surely, 2^49120866912 is an apocalyptic number.

It is an amenable number.

49120866912 is an abundant number, since it is smaller than the sum of its proper divisors (89740048848).

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

49120866912 is a wasteful number, since it uses less digits than its factorization.

49120866912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39359695 (or 39359687 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 49120866912 in words is "forty-nine billion, one hundred twenty million, eight hundred sixty-six thousand, nine hundred twelve".