42389190 has 64 divisors (see below), whose sum is σ = 119001600. Its totient is φ = 10707552.

The previous prime is 42389153. The next prime is 42389219. The reversal of 42389190 is 9198324.

42389190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42389190² = 3593686857712200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 999 + ... + 9261.

It is an arithmetic number, because the mean of its divisors is an integer number (1859400).

Almost surely, 2^42389190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42389190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59500800).

42389190 is an abundant number, since it is smaller than the sum of its proper divisors (76612410).

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

42389190 is a wasteful number, since it uses less digits than its factorization.

42389190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8298 (or 8292 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 42389190 is about 6510.6981192496. The cubic root of 42389190 is about 348.6730434891.

The spelling of 42389190 in words is "forty-two million, three hundred eighty-nine thousand, one hundred ninety".