42994660 has 48 divisors (see below), whose sum is σ = 94058496. Its totient is φ = 16495232.

The previous prime is 42994639. The next prime is 42994661. The reversal of 42994660 is 6649924.

It is not an unprimeable number, because it can be changed into a prime (42994661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49389 + ... + 50251.

It is an arithmetic number, because the mean of its divisors is an integer number (1959552).

Almost surely, 2^42994660 is an apocalyptic number.

It is an amenable number.

42994660 is an abundant number, since it is smaller than the sum of its proper divisors (51063836).

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

42994660 is a wasteful number, since it uses less digits than its factorization.

42994660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 42994660 is about 6557.0313404772. The cubic root of 42994660 is about 350.3253029998.

The spelling of 42994660 in words is "forty-two million, nine hundred ninety-four thousand, six hundred sixty".