42869660 has 12 divisors (see below), whose sum is σ = 90026328. Its totient is φ = 17147856.

The previous prime is 42869653. The next prime is 42869713. The reversal of 42869660 is 6696824.

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, 1071722 + ... + 1071761.

It is an arithmetic number, because the mean of its divisors is an integer number (7502194).

Almost surely, 2^42869660 is an apocalyptic number.

It is an amenable number.

42869660 is an abundant number, since it is smaller than the sum of its proper divisors (47156668).

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

42869660 is a wasteful number, since it uses less digits than its factorization.

42869660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143492 (or 2143490 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 42869660 is about 6547.4926498622. The cubic root of 42869660 is about 349.9854687845.

The spelling of 42869660 in words is "forty-two million, eight hundred sixty-nine thousand, six hundred sixty".