2256152162490 has 24 divisors (see below), whose sum is σ = 5865995622708. Its totient is φ = 601640576640.

The previous prime is 2256152162489. The next prime is 2256152162569. The reversal of 2256152162490 is 942612516522.

2256152162490 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 15 + 2 + 1 + 624 + 9 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1954563375249 + 301588787241 = 1398057^2 + 549171^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon 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, 12534178591 + ... + 12534178770.

Almost surely, 2^{2256152162490} is an apocalyptic number.

2256152162490 is an abundant number, since it is smaller than the sum of its proper divisors (3609843460218).

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

2256152162490 is a wasteful number, since it uses less digits than its factorization.

2256152162490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25068357374 (or 25068357371 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 2256152162490 in words is "two trillion, two hundred fifty-six billion, one hundred fifty-two million, one hundred sixty-two thousand, four hundred ninety".