42961880 has 32 divisors (see below), whose sum is σ = 104101200. Its totient is φ = 15862656.

The previous prime is 42961871. The next prime is 42961883. The reversal of 42961880 is 8816924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42961883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40790 + ... + 41829.

Almost surely, 2^42961880 is an apocalyptic number.

42961880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42961880 is an abundant number, since it is smaller than the sum of its proper divisors (61139320).

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

42961880 is a wasteful number, since it uses less digits than its factorization.

42961880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82643 (or 82639 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 42961880 is about 6554.5312570770. The cubic root of 42961880 is about 350.2362486604.

The spelling of 42961880 in words is "forty-two million, nine hundred sixty-one thousand, eight hundred eighty".