5451904218 has 32 divisors (see below), whose sum is σ = 11304783360. Its totient is φ = 1750985280.

The previous prime is 5451904147. The next prime is 5451904259. The reversal of 5451904218 is 8124091545.

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, 21405 + ... + 106592.

It is an arithmetic number, because the mean of its divisors is an integer number (353274480).

Almost surely, 2^5451904218 is an apocalyptic number.

5451904218 is an abundant number, since it is smaller than the sum of its proper divisors (5852879142).

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

5451904218 is a wasteful number, since it uses less digits than its factorization.

5451904218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128262.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 5451904218 is about 73837.0111664875. The cubic root of 5451904218 is about 1760.0137974555.

The spelling of 5451904218 in words is "five billion, four hundred fifty-one million, nine hundred four thousand, two hundred eighteen".