49621418456 has 16 divisors (see below), whose sum is σ = 98513110440. Its totient is φ = 23351255680.

The previous prime is 49621418449. The next prime is 49621418491. The reversal of 49621418456 is 65481412694.

49621418456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182431550 + ... + 182431821.

Almost surely, 2^49621418456 is an apocalyptic number.

It is an amenable number.

49621418456 is a deficient number, since it is larger than the sum of its proper divisors (48891691984).

49621418456 is a wasteful number, since it uses less digits than its factorization.

49621418456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364863394 (or 364863390 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The spelling of 49621418456 in words is "forty-nine billion, six hundred twenty-one million, four hundred eighteen thousand, four hundred fifty-six".