426042660 has 24 divisors (see below), whose sum is σ = 1192919616. Its totient is φ = 113611360.

The previous prime is 426042647. The next prime is 426042677. The reversal of 426042660 is 66240624.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3550296 + ... + 3550415.

It is an arithmetic number, because the mean of its divisors is an integer number (49704984).

Almost surely, 2^426042660 is an apocalyptic number.

It is an amenable number.

426042660 is an abundant number, since it is smaller than the sum of its proper divisors (766876956).

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

426042660 is a wasteful number, since it uses less digits than its factorization.

426042660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100723 (or 7100721 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 426042660 is about 20640.8008565559. The cubic root of 426042660 is about 752.4616360688.

The spelling of 426042660 in words is "four hundred twenty-six million, forty-two thousand, six hundred sixty".