42990952 has 16 divisors (see below), whose sum is σ = 81812160. Its totient is φ = 21174384.

The previous prime is 42990949. The next prime is 42990971. The reversal of 42990952 is 25909924.

It is a zygodrome in base 3.

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, 39568 + ... + 40639.

It is an arithmetic number, because the mean of its divisors is an integer number (5113260).

Almost surely, 2^42990952 is an apocalyptic number.

It is an amenable number.

42990952 is a deficient number, since it is larger than the sum of its proper divisors (38821208).

42990952 is a wasteful number, since it uses less digits than its factorization.

42990952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80280 (or 80276 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 42990952 is about 6556.7485844739. The cubic root of 42990952 is about 350.3152316439.

The spelling of 42990952 in words is "forty-two million, nine hundred ninety thousand, nine hundred fifty-two".