42292660 has 24 divisors (see below), whose sum is σ = 89386920. Its totient is φ = 16808064.

The previous prime is 42292631. The next prime is 42292661. The reversal of 42292660 is 6629224.

It can be written as a sum of positive squares in 4 ways, for example, as 3305124 + 38987536 = 1818^2 + 6244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42292661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3595 + ... + 9874.

It is an arithmetic number, because the mean of its divisors is an integer number (3724455).

Almost surely, 2^42292660 is an apocalyptic number.

It is an amenable number.

42292660 is an abundant number, since it is smaller than the sum of its proper divisors (47094260).

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

42292660 is a wasteful number, since it uses less digits than its factorization.

42292660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13635 (or 13633 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 42292660 is about 6503.2807105337. The cubic root of 42292660 is about 348.4081725804.

It can be divided in two parts, 4229 and 2660, that added together give a square (6889 = 83²).

The spelling of 42292660 in words is "forty-two million, two hundred ninety-two thousand, six hundred sixty".