49408405888 has 16 divisors (see below), whose sum is σ = 98430808860. Its totient is φ = 24704202880.

The previous prime is 49408405859. The next prime is 49408405919. The reversal of 49408405888 is 88850480494.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193001458 + ... + 193001713.

Almost surely, 2^49408405888 is an apocalyptic number.

It is an amenable number.

49408405888 is a deficient number, since it is larger than the sum of its proper divisors (49022402972).

49408405888 is an equidigital number, since it uses as much as digits as its factorization.

49408405888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386003185 (or 386003173 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 58.

The spelling of 49408405888 in words is "forty-nine billion, four hundred eight million, four hundred five thousand, eight hundred eighty-eight".