2158460000 has 60 divisors (see below), whose sum is σ = 5310184572. Its totient is φ = 863376000.

The previous prime is 2158459999. The next prime is 2158460011. The reversal of 2158460000 is 648512.

It is a super-4 number, since 4×2158460000⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 33962 + ... + 73961.

Almost surely, 2^2158460000 is an apocalyptic number.

2158460000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2158460000 is an abundant number, since it is smaller than the sum of its proper divisors (3151724572).

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

2158460000 is an equidigital number, since it uses as much as digits as its factorization.

2158460000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107953 (or 107930 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2158460000 is about 46459.2294382935. The cubic root of 2158460000 is about 1292.3535345532.

The spelling of 2158460000 in words is "two billion, one hundred fifty-eight million, four hundred sixty thousand".