426142656 has 84 divisors (see below), whose sum is σ = 1224487264. Its totient is φ = 141696000.

The previous prime is 426142627. The next prime is 426142679. The reversal of 426142656 is 656241624.

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 426142656.

It is a congruent 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, 345561 + ... + 346791.

Almost surely, 2^426142656 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 426142656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612243632).

426142656 is an abundant number, since it is smaller than the sum of its proper divisors (798344608).

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

426142656 is a wasteful number, since it uses less digits than its factorization.

426142656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1837 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 426142656 is about 20643.2230041726. The cubic root of 426142656 is about 752.5205012755.

The spelling of 426142656 in words is "four hundred twenty-six million, one hundred forty-two thousand, six hundred fifty-six".