2147000256 has 84 divisors (see below), whose sum is σ = 6381960312. Its totient is φ = 715661568.

The previous prime is 2147000243. The next prime is 2147000281. The reversal of 2147000256 is 6520007412.

It is a super-2 number, since 2×2147000256² = 9219220198528131072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53475 + ... + 84578.

It is an arithmetic number, because the mean of its divisors is an integer number (75975718).

Almost surely, 2^2147000256 is an apocalyptic number.

It is an amenable number.

2147000256 is an abundant number, since it is smaller than the sum of its proper divisors (4234960056).

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

2147000256 is an equidigital number, since it uses as much as digits as its factorization.

2147000256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138080 (or 138058 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2147000256 is about 46335.7341152593. The cubic root of 2147000256 is about 1290.0623442016.

Adding to 2147000256 its reverse (6520007412), we get a palindrome (8667007668).

The spelling of 2147000256 in words is "two billion, one hundred forty-seven million, two hundred fifty-six", and thus it is an aban number.