49983937920 has 512 divisors, whose sum is σ = 204633216000. Its totient is φ = 11294097408.

The previous prime is 49983937919. The next prime is 49983937937. The reversal of 49983937920 is 2973938994.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10763119 + ... + 10767761.

It is an arithmetic number, because the mean of its divisors is an integer number (399674250).

Almost surely, 2^49983937920 is an apocalyptic number.

49983937920 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 49983937920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102316608000).

49983937920 is an abundant number, since it is smaller than the sum of its proper divisors (154649278080).

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

49983937920 is a wasteful number, since it uses less digits than its factorization.

49983937920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 63.

The spelling of 49983937920 in words is "forty-nine billion, nine hundred eighty-three million, nine hundred thirty-seven thousand, nine hundred twenty".