42130908 has 24 divisors (see below), whose sum is σ = 109228560. Its totient is φ = 14043600.

The previous prime is 42130889. The next prime is 42130943. The reversal of 42130908 is 80903124.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194943 + ... + 195158.

It is an arithmetic number, because the mean of its divisors is an integer number (4551190).

Almost surely, 2^42130908 is an apocalyptic number.

It is an amenable number.

42130908 is an abundant number, since it is smaller than the sum of its proper divisors (67097652).

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

42130908 is a wasteful number, since it uses less digits than its factorization.

42130908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390114 (or 390106 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 42130908 is about 6490.8326122309. The cubic root of 42130908 is about 347.9634325429.

It can be divided in two parts, 421 and 30908, that added together give a square (31329 = 177²).

The spelling of 42130908 in words is "forty-two million, one hundred thirty thousand, nine hundred eight".