2156264298 has 12 divisors (see below), whose sum is σ = 4671906018. Its totient is φ = 718754760.

The previous prime is 2156264287. The next prime is 2156264317. The reversal of 2156264298 is 8924626512.

2156264298 is a `hidden beast` number, since 2 + 1 + 562 + 64 + 29 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1955673729 + 200590569 = 44223^2 + 14163^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59896213 + ... + 59896248.

Almost surely, 2^2156264298 is an apocalyptic number.

2156264298 is an abundant number, since it is smaller than the sum of its proper divisors (2515641720).

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

2156264298 is a wasteful number, since it uses less digits than its factorization.

2156264298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119792469 (or 119792466 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 2156264298 is about 46435.5930079503. The cubic root of 2156264298 is about 1291.9151686227.

The spelling of 2156264298 in words is "two billion, one hundred fifty-six million, two hundred sixty-four thousand, two hundred ninety-eight".