49747835280 has 1280 divisors, whose sum is σ = 207346728960. Its totient is φ = 9671270400.

The previous prime is 49747835279. The next prime is 49747835309. The reversal of 49747835280 is 8253874794.

49747835280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 49747835280.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 464932987 + ... + 464933093.

It is an arithmetic number, because the mean of its divisors is an integer number (161989632).

Almost surely, 2^49747835280 is an apocalyptic number.

49747835280 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 49747835280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103673364480).

49747835280 is an abundant number, since it is smaller than the sum of its proper divisors (157598893680).

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

49747835280 is a wasteful number, since it uses less digits than its factorization.

49747835280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 49747835280 in words is "forty-nine billion, seven hundred forty-seven million, eight hundred thirty-five thousand, two hundred eighty".