50744391840 has 96 divisors (see below), whose sum is σ = 177605386560. Its totient is φ = 13531836672.

The previous prime is 50744391829. The next prime is 50744391851. The reversal of 50744391840 is 4819344705.

It is an interprime number because it is at equal distance from previous prime (50744391829) and next prime (50744391851).

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

It is a super-2 number, since 2×50744391840² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 5868874 + ... + 5877513.

It is an arithmetic number, because the mean of its divisors is an integer number (1850056110).

Almost surely, 2^50744391840 is an apocalyptic number.

It is an amenable number.

50744391840 is an abundant number, since it is smaller than the sum of its proper divisors (126860994720).

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

50744391840 is a wasteful number, since it uses less digits than its factorization.

50744391840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11746411 (or 11746397 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 50744391840 in words is "fifty billion, seven hundred forty-four million, three hundred ninety-one thousand, eight hundred forty".