49165804800 has 648 divisors, whose sum is σ = 204285536000. Its totient is φ = 11048140800.

The previous prime is 49165804781. The next prime is 49165804813. The reversal of 49165804800 is 840856194.

49165804800 is a `hidden beast` number, since 4 + 9 + 165 + 8 + 0 + 480 + 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24594201 + ... + 24596199.

Almost surely, 2^49165804800 is an apocalyptic number.

49165804800 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 49165804800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102142768000).

49165804800 is an abundant number, since it is smaller than the sum of its proper divisors (155119731200).

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

49165804800 is a wasteful number, since it uses less digits than its factorization.

49165804800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 49165804800 in words is "forty-nine billion, one hundred sixty-five million, eight hundred four thousand, eight hundred".