49637619720 has 192 divisors, whose sum is σ = 180166633920. Its totient is φ = 12218459904.

The previous prime is 49637619679. The next prime is 49637619721. The reversal of 49637619720 is 2791673694.

It is a happy number.

49637619720 is a `hidden beast` number, since 496 + 3 + 7 + 61 + 97 + 2 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (49637619721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70054 + ... + 322773.

It is an arithmetic number, because the mean of its divisors is an integer number (938367885).

Almost surely, 2^49637619720 is an apocalyptic number.

49637619720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49637619720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90083316960).

49637619720 is an abundant number, since it is smaller than the sum of its proper divisors (130529014200).

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

49637619720 is a wasteful number, since it uses less digits than its factorization.

49637619720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392866 (or 392850 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 49637619720 in words is "forty-nine billion, six hundred thirty-seven million, six hundred nineteen thousand, seven hundred twenty".