235256556 has 48 divisors (see below), whose sum is σ = 579877760. Its totient is φ = 74027520.

The previous prime is 235256531. The next prime is 235256561. The reversal of 235256556 is 655652532.

235256556 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×235256556² = 110691294281962272, which contains 22 as substring.

235256556 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68316 + ... + 71676.

Almost surely, 2^235256556 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 235256556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289938880).

235256556 is an abundant number, since it is smaller than the sum of its proper divisors (344621204).

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

235256556 is a wasteful number, since it uses less digits than its factorization.

235256556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694 (or 3692 counting only the distinct ones).

The product of its digits is 270000, while the sum is 39.

The square root of 235256556 is about 15338.0753681810. The cubic root of 235256556 is about 617.3250661950.

The spelling of 235256556 in words is "two hundred thirty-five million, two hundred fifty-six thousand, five hundred fifty-six".