42662420 has 12 divisors (see below), whose sum is σ = 89591124. Its totient is φ = 17064960.

The previous prime is 42662419. The next prime is 42662437. The reversal of 42662420 is 2426624.

It can be written as a sum of positive squares in 2 ways, for example, as 33200644 + 9461776 = 5762^2 + 3076^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42662420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066541 + ... + 1066580.

It is an arithmetic number, because the mean of its divisors is an integer number (7465927).

Almost surely, 2^42662420 is an apocalyptic number.

It is an amenable number.

42662420 is an abundant number, since it is smaller than the sum of its proper divisors (46928704).

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

42662420 is a wasteful number, since it uses less digits than its factorization.

42662420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133130 (or 2133128 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 42662420 is about 6531.6475716315. The cubic root of 42662420 is about 349.4205923691.

The spelling of 42662420 in words is "forty-two million, six hundred sixty-two thousand, four hundred twenty".