2158435824 has 20 divisors (see below), whose sum is σ = 5575959336. Its totient is φ = 719478592.

The previous prime is 2158435817. The next prime is 2158435837. The reversal of 2158435824 is 4285348512.

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, 22483659 + ... + 22483754.

Almost surely, 2^2158435824 is an apocalyptic number.

2158435824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2158435824 is an abundant number, since it is smaller than the sum of its proper divisors (3417523512).

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

2158435824 is a wasteful number, since it uses less digits than its factorization.

2158435824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44967424 (or 44967418 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The square root of 2158435824 is about 46458.9692524490. The cubic root of 2158435824 is about 1292.3487094996.

The spelling of 2158435824 in words is "two billion, one hundred fifty-eight million, four hundred thirty-five thousand, eight hundred twenty-four".