42643190 has 8 divisors (see below), whose sum is σ = 76757760. Its totient is φ = 17057272.

The previous prime is 42643189. The next prime is 42643207. The reversal of 42643190 is 9134624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42643190² = 3636883306752200, 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 3 ways as a sum of consecutive naturals, for example, 2132150 + ... + 2132169.

It is an arithmetic number, because the mean of its divisors is an integer number (9594720).

Almost surely, 2^42643190 is an apocalyptic number.

42643190 is a deficient number, since it is larger than the sum of its proper divisors (34114570).

42643190 is a wasteful number, since it uses less digits than its factorization.

42643190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264326.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 42643190 is about 6530.1753422094. The cubic root of 42643190 is about 349.3680842693.

The spelling of 42643190 in words is "forty-two million, six hundred forty-three thousand, one hundred ninety".