49862749920 has 96 divisors (see below), whose sum is σ = 157130795808. Its totient is φ = 13291388928.

The previous prime is 49862749907. The next prime is 49862749943. The reversal of 49862749920 is 2994726894.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 1255812 + ... + 1294908.

It is an arithmetic number, because the mean of its divisors is an integer number (1636779123).

Almost surely, 2^49862749920 is an apocalyptic number.

49862749920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49862749920 is an abundant number, since it is smaller than the sum of its proper divisors (107268045888).

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

49862749920 is a wasteful number, since it uses less digits than its factorization.

49862749920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41772 (or 41764 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 49862749920 in words is "forty-nine billion, eight hundred sixty-two million, seven hundred forty-nine thousand, nine hundred twenty".