2256132620340 has 72 divisors (see below), whose sum is σ = 7097069048160. Its totient is φ = 601635364128.

The previous prime is 2256132620317. The next prime is 2256132620351. The reversal of 2256132620340 is 430262316522.

2256132620340 is a `hidden beast` number, since 2 + 2 + 5 + 613 + 2 + 6 + 2 + 0 + 34 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2256132620295 and 2256132620304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232107550 + ... + 232117269.

Almost surely, 2^{2256132620340} is an apocalyptic number.

2256132620340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2256132620340 is an abundant number, since it is smaller than the sum of its proper divisors (4840936427820).

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

2256132620340 is a wasteful number, since it uses less digits than its factorization.

2256132620340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464224843 (or 464224829 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 2256132620340 its reverse (430262316522), we get a palindrome (2686394936862).

The spelling of 2256132620340 in words is "two trillion, two hundred fifty-six billion, one hundred thirty-two million, six hundred twenty thousand, three hundred forty".