49897584672 has 96 divisors (see below), whose sum is σ = 145920761280. Its totient is φ = 14823674880.

The previous prime is 49897584637. The next prime is 49897584689. The reversal of 49897584672 is 27648579894.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 49897584597 and 49897584606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653154 + ... + 725537.

It is an arithmetic number, because the mean of its divisors is an integer number (1520007930).

Almost surely, 2^49897584672 is an apocalyptic number.

It is an amenable number.

49897584672 is an abundant number, since it is smaller than the sum of its proper divisors (96023176608).

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

49897584672 is a wasteful number, since it uses less digits than its factorization.

49897584672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378746 (or 1378738 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 69.

The spelling of 49897584672 in words is "forty-nine billion, eight hundred ninety-seven million, five hundred eighty-four thousand, six hundred seventy-two".