42519880 has 32 divisors (see below), whose sum is σ = 103030200. Its totient is φ = 15699456.

The previous prime is 42519877. The next prime is 42519923. The reversal of 42519880 is 8891524.

It can be written as a sum of positive squares in 4 ways, for example, as 18096516 + 24423364 = 4254^2 + 4942^2 .

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, 40365 + ... + 41404.

Almost surely, 2^42519880 is an apocalyptic number.

42519880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42519880 is an abundant number, since it is smaller than the sum of its proper divisors (60510320).

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

42519880 is a wasteful number, since it uses less digits than its factorization.

42519880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81793 (or 81789 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 42519880 is about 6520.7269533389. The cubic root of 42519880 is about 349.0310068427.

The spelling of 42519880 in words is "forty-two million, five hundred nineteen thousand, eight hundred eighty".