2155872248 has 64 divisors (see below), whose sum is σ = 4310349120. Its totient is φ = 1008691200.

The previous prime is 2155872233. The next prime is 2155872283. The reversal of 2155872248 is 8422785512.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2155872199 and 2155872208.

It is a congruent number.

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, 2704586 + ... + 2705382.

It is an arithmetic number, because the mean of its divisors is an integer number (67349205).

Almost surely, 2^2155872248 is an apocalyptic number.

It is an amenable number.

2155872248 is a deficient number, since it is larger than the sum of its proper divisors (2154476872).

2155872248 is a wasteful number, since it uses less digits than its factorization.

2155872248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 1124 counting only the distinct ones).

The product of its digits is 358400, while the sum is 44.

The square root of 2155872248 is about 46431.3713775503. The cubic root of 2155872248 is about 1291.8368655993.

The spelling of 2155872248 in words is "two billion, one hundred fifty-five million, eight hundred seventy-two thousand, two hundred forty-eight".