426556542 has 8 divisors (see below), whose sum is σ = 853113096. Its totient is φ = 142185512.

The previous prime is 426556523. The next prime is 426556547. The reversal of 426556542 is 245655624.

It is a sphenic number, since it is the product of 3 distinct primes.

426556542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 426556542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426556547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35546373 + ... + 35546384.

It is an arithmetic number, because the mean of its divisors is an integer number (106639137).

Almost surely, 2^426556542 is an apocalyptic number.

426556542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

426556542 is a wasteful number, since it uses less digits than its factorization.

426556542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71092762.

The product of its digits is 288000, while the sum is 39.

The square root of 426556542 is about 20653.2453139936. The cubic root of 426556542 is about 752.7640479822.

The spelling of 426556542 in words is "four hundred twenty-six million, five hundred fifty-six thousand, five hundred forty-two".