2118825456 has 40 divisors (see below), whose sum is σ = 5971236864. Its totient is φ = 642068160.

The previous prime is 2118825433. The next prime is 2118825469. The reversal of 2118825456 is 6545288112.

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, 2005936 + ... + 2006991.

Almost surely, 2^2118825456 is an apocalyptic number.

It is an amenable number.

2118825456 is an abundant number, since it is smaller than the sum of its proper divisors (3852411408).

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

2118825456 is a wasteful number, since it uses less digits than its factorization.

2118825456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012949 (or 4012943 counting only the distinct ones).

The product of its digits is 153600, while the sum is 42.

The square root of 2118825456 is about 46030.7012329815. The cubic root of 2118825456 is about 1284.3943723128.

The spelling of 2118825456 in words is "two billion, one hundred eighteen million, eight hundred twenty-five thousand, four hundred fifty-six".