49118425920 has 168 divisors, whose sum is σ = 175204489824. Its totient is φ = 13098226176.

The previous prime is 49118425913. The next prime is 49118425921. The reversal of 49118425920 is 2952481194.

It is a happy number.

49118425920 is a `hidden beast` number, since 4 + 9 + 1 + 18 + 42 + 592 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49118425921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238074 + ... + 393593.

It is an arithmetic number, because the mean of its divisors is an integer number (1042883868).

Almost surely, 2^49118425920 is an apocalyptic number.

49118425920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49118425920 is an abundant number, since it is smaller than the sum of its proper divisors (126086063904).

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

49118425920 is an equidigital number, since it uses as much as digits as its factorization.

49118425920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631699 (or 631677 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 49118425920 in words is "forty-nine billion, one hundred eighteen million, four hundred twenty-five thousand, nine hundred twenty".