49898434400 has 36 divisors (see below), whose sum is σ = 121814554932. Its totient is φ = 19959373440.

The previous prime is 49898434373. The next prime is 49898434403. The reversal of 49898434400 is 443489894.

It is a super-2 number, since 2×49898434400² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49898434403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31185722 + ... + 31187321.

It is an arithmetic number, because the mean of its divisors is an integer number (3383737637).

Almost surely, 2^49898434400 is an apocalyptic number.

49898434400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49898434400 is an abundant number, since it is smaller than the sum of its proper divisors (71916120532).

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

49898434400 is a wasteful number, since it uses less digits than its factorization.

49898434400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62373063 (or 62373050 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 49898434400 in words is "forty-nine billion, eight hundred ninety-eight million, four hundred thirty-four thousand, four hundred".