49418556728 has 32 divisors (see below), whose sum is σ = 93236844960. Its totient is φ = 24555847680.

The previous prime is 49418556697. The next prime is 49418556799. The reversal of 49418556728 is 82765581494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862493 + ... + 918003.

It is an arithmetic number, because the mean of its divisors is an integer number (2913651405).

Almost surely, 2^49418556728 is an apocalyptic number.

It is an amenable number.

49418556728 is a deficient number, since it is larger than the sum of its proper divisors (43818288232).

49418556728 is a wasteful number, since it uses less digits than its factorization.

49418556728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56207 (or 56203 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 59.

The spelling of 49418556728 in words is "forty-nine billion, four hundred eighteen million, five hundred fifty-six thousand, seven hundred twenty-eight".