49159844400 has 60 divisors (see below), whose sum is σ = 157475372072. Its totient is φ = 13109291520.

The previous prime is 49159844399. The next prime is 49159844411. The reversal of 49159844400 is 444895194.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×49159844400² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 49159844400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20482069 + ... + 20484468.

Almost surely, 2^49159844400 is an apocalyptic number.

49159844400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49159844400 is an abundant number, since it is smaller than the sum of its proper divisors (108315527672).

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

49159844400 is a wasteful number, since it uses less digits than its factorization.

49159844400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40966558 (or 40966547 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 49159844400 in words is "forty-nine billion, one hundred fifty-nine million, eight hundred forty-four thousand, four hundred".