6235421556 has 96 divisors (see below), whose sum is σ = 17924773888. Its totient is φ = 1642861440.

The previous prime is 6235421537. The next prime is 6235421579. The reversal of 6235421556 is 6551245326.

It is a super-2 number, since 2×6235421556² = 77760963962058922272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 1407561 + ... + 1411983.

Almost surely, 2^6235421556 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 6235421556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8962386944).

6235421556 is an abundant number, since it is smaller than the sum of its proper divisors (11689352332).

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

6235421556 is a wasteful number, since it uses less digits than its factorization.

6235421556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741 (or 5739 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 6235421556 is about 78964.6854992787. The cubic root of 6235421556 is about 1840.5824357322.

The spelling of 6235421556 in words is "six billion, two hundred thirty-five million, four hundred twenty-one thousand, five hundred fifty-six".