42880660 has 12 divisors (see below), whose sum is σ = 90049428. Its totient is φ = 17152256.

The previous prime is 42880631. The next prime is 42880667. The reversal of 42880660 is 6608824.

It can be written as a sum of positive squares in 2 ways, for example, as 15023376 + 27857284 = 3876^2 + 5278^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42880667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071997 + ... + 1072036.

It is an arithmetic number, because the mean of its divisors is an integer number (7504119).

Almost surely, 2^42880660 is an apocalyptic number.

It is an amenable number.

42880660 is an abundant number, since it is smaller than the sum of its proper divisors (47168768).

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

42880660 is a wasteful number, since it uses less digits than its factorization.

42880660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144042 (or 2144040 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 42880660 is about 6548.3326121998. The cubic root of 42880660 is about 350.0154006829.

The spelling of 42880660 in words is "forty-two million, eight hundred eighty thousand, six hundred sixty".