2153426256 has 160 divisors (see below), whose sum is σ = 6549580800. Its totient is φ = 675527040.

The previous prime is 2153426239. The next prime is 2153426263. The reversal of 2153426256 is 6526243512.

2153426256 is a `hidden beast` number, since 21 + 5 + 3 + 4 + 2 + 625 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2153426256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1369951 + ... + 1371521.

It is an arithmetic number, because the mean of its divisors is an integer number (40934880).

Almost surely, 2^2153426256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153426256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3274790400).

2153426256 is an abundant number, since it is smaller than the sum of its proper divisors (4396154544).

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

2153426256 is a wasteful number, since it uses less digits than its factorization.

2153426256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1762 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 2153426256 is about 46405.0240383517. The cubic root of 2153426256 is about 1291.3481201258.

Adding to 2153426256 its reverse (6526243512), we get a palindrome (8679669768).

The spelling of 2153426256 in words is "two billion, one hundred fifty-three million, four hundred twenty-six thousand, two hundred fifty-six".