42180590 has 16 divisors (see below), whose sum is σ = 76003488. Its totient is φ = 16854816.

The previous prime is 42180563. The next prime is 42180601. The reversal of 42180590 is 9508124.

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, 13079 + ... + 15981.

It is an arithmetic number, because the mean of its divisors is an integer number (4750218).

Almost surely, 2^42180590 is an apocalyptic number.

42180590 is a deficient number, since it is larger than the sum of its proper divisors (33822898).

42180590 is a wasteful number, since it uses less digits than its factorization.

42180590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 42180590 is about 6494.6585745519. The cubic root of 42180590 is about 348.1001550364.

The spelling of 42180590 in words is "forty-two million, one hundred eighty thousand, five hundred ninety".