49473172800 has 756 divisors, whose sum is σ = 192191615616. Its totient is φ = 12055910400.

The previous prime is 49473172787. The next prime is 49473172817. The reversal of 49473172800 is 827137494.

49473172800 is a `hidden beast` number, since 4 + 9 + 473 + 172 + 8 + 0 + 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 polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 161150247 + ... + 161150553.

Almost surely, 2^49473172800 is an apocalyptic number.

49473172800 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 49473172800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96095807808).

49473172800 is an abundant number, since it is smaller than the sum of its proper divisors (142718442816).

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

49473172800 is a wasteful number, since it uses less digits than its factorization.

49473172800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 49473172800 in words is "forty-nine billion, four hundred seventy-three million, one hundred seventy-two thousand, eight hundred".