2158408412 has 12 divisors (see below), whose sum is σ = 3941441616. Its totient is φ = 1032282240.

The previous prime is 2158408397. The next prime is 2158408429. The reversal of 2158408412 is 2148048512.

It is a congruent number.

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, 11730389 + ... + 11730572.

It is an arithmetic number, because the mean of its divisors is an integer number (328453468).

Almost surely, 2^2158408412 is an apocalyptic number.

It is an amenable number.

2158408412 is a deficient number, since it is larger than the sum of its proper divisors (1783033204).

2158408412 is a wasteful number, since it uses less digits than its factorization.

2158408412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23460988 (or 23460986 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 2158408412 is about 46458.6742385101. The cubic root of 2158408412 is about 1292.3432385605.

The spelling of 2158408412 in words is "two billion, one hundred fifty-eight million, four hundred eight thousand, four hundred twelve".