42557180 has 24 divisors (see below), whose sum is σ = 91551600. Its totient is φ = 16607360.

The previous prime is 42557167. The next prime is 42557237. The reversal of 42557180 is 8175524.

It is a super-2 number, since 2×42557180² = 3622227139104800, which contains 22 as substring.

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, 25130 + ... + 26769.

It is an arithmetic number, because the mean of its divisors is an integer number (3814650).

Almost surely, 2^42557180 is an apocalyptic number.

It is an amenable number.

42557180 is an abundant number, since it is smaller than the sum of its proper divisors (48994420).

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

42557180 is a wasteful number, since it uses less digits than its factorization.

42557180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51949 (or 51947 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 42557180 is about 6523.5864369226. The cubic root of 42557180 is about 349.1330379518.

The spelling of 42557180 in words is "forty-two million, five hundred fifty-seven thousand, one hundred eighty".