49439982312 has 80 divisors (see below), whose sum is σ = 158260275360. Its totient is φ = 14125707936.

The previous prime is 49439982287. The next prime is 49439982329. The reversal of 49439982312 is 21328993494.

49439982312 is a `hidden beast` number, since 494 + 39 + 98 + 2 + 31 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5445198 + ... + 5454269.

It is an arithmetic number, because the mean of its divisors is an integer number (1978253442).

Almost surely, 2^49439982312 is an apocalyptic number.

49439982312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

49439982312 is an abundant number, since it is smaller than the sum of its proper divisors (108820293048).

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

49439982312 is a wasteful number, since it uses less digits than its factorization.

49439982312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10899492 (or 10899479 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The spelling of 49439982312 in words is "forty-nine billion, four hundred thirty-nine million, nine hundred eighty-two thousand, three hundred twelve".