2158508754 has 48 divisors (see below), whose sum is σ = 4792087872. Its totient is φ = 701807904.

The previous prime is 2158508747. The next prime is 2158508777. The reversal of 2158508754 is 4578058512.

2158508754 is a `hidden beast` number, since 21 + 58 + 508 + 75 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 759424 + ... + 762260.

It is an arithmetic number, because the mean of its divisors is an integer number (99835164).

Almost surely, 2^2158508754 is an apocalyptic number.

2158508754 is an abundant number, since it is smaller than the sum of its proper divisors (2633579118).

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

2158508754 is a wasteful number, since it uses less digits than its factorization.

2158508754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871 (or 3868 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The square root of 2158508754 is about 46459.7541319366. The cubic root of 2158508754 is about 1292.3632647822.

The spelling of 2158508754 in words is "two billion, one hundred fifty-eight million, five hundred eight thousand, seven hundred fifty-four".