50490673920 has 144 divisors (see below), whose sum is σ = 179171889120. Its totient is φ = 13464170496.

The previous prime is 50490673913. The next prime is 50490673921. The reversal of 50490673920 is 2937609405.

It is a happy number.

50490673920 is a `hidden beast` number, since 5 + 0 + 490 + 6 + 73 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is not an unprimeable number, because it can be changed into a prime (50490673921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695919 + ... + 765038.

It is an arithmetic number, because the mean of its divisors is an integer number (1244249230).

Almost surely, 2^50490673920 is an apocalyptic number.

It is an amenable number.

50490673920 is an abundant number, since it is smaller than the sum of its proper divisors (128681215200).

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

50490673920 is a wasteful number, since it uses less digits than its factorization.

50490673920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460987 (or 1460967 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 50490673920 in words is "fifty billion, four hundred ninety million, six hundred seventy-three thousand, nine hundred twenty".