42180696 has 32 divisors (see below), whose sum is σ = 117169200. Its totient is φ = 14060160.

The previous prime is 42180679. The next prime is 42180701. The reversal of 42180696 is 69608124.

It is a super-2 number, since 2×42180696² = 3558422230088832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42180696.

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, 97425 + ... + 97856.

Almost surely, 2^42180696 is an apocalyptic number.

It is an amenable number.

42180696 is an abundant number, since it is smaller than the sum of its proper divisors (74988504).

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

42180696 is a wasteful number, since it uses less digits than its factorization.

42180696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195296 (or 195286 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 42180696 is about 6494.6667350989. Note that the first 3 decimals coincide. The cubic root of 42180696 is about 348.1004466286.

The spelling of 42180696 in words is "forty-two million, one hundred eighty thousand, six hundred ninety-six".