2156460002 has 8 divisors (see below), whose sum is σ = 3235146156. Its totient is φ = 1078077952.

The previous prime is 2156460001. The next prime is 2156460023. The reversal of 2156460002 is 2000646512.

It can be written as a sum of positive squares in 2 ways, for example, as 1922033281 + 234426721 = 43841^2 + 15311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2156460001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57383 + ... + 87210.

Almost surely, 2^2156460002 is an apocalyptic number.

2156460002 is a deficient number, since it is larger than the sum of its proper divisors (1078686154).

2156460002 is a wasteful number, since it uses less digits than its factorization.

2156460002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152052.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2156460002 is about 46437.7002229869. The cubic root of 2156460002 is about 1291.9542524706.

The spelling of 2156460002 in words is "two billion, one hundred fifty-six million, four hundred sixty thousand, two".