2155218096 has 20 divisors (see below), whose sum is σ = 5567646872. Its totient is φ = 718406016.

The previous prime is 2155218019. The next prime is 2155218101. The reversal of 2155218096 is 6908125512.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 22450141 + ... + 22450236.

Almost surely, 2^2155218096 is an apocalyptic number.

It is an amenable number.

2155218096 is an abundant number, since it is smaller than the sum of its proper divisors (3412428776).

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

2155218096 is a wasteful number, since it uses less digits than its factorization.

2155218096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44900388 (or 44900382 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 2155218096 is about 46424.3265540815. The cubic root of 2155218096 is about 1291.7061925571.

The spelling of 2155218096 in words is "two billion, one hundred fifty-five million, two hundred eighteen thousand, ninety-six".