42644192 has 12 divisors (see below), whose sum is σ = 83955816. Its totient is φ = 21322080.

The previous prime is 42644167. The next prime is 42644201. The reversal of 42644192 is 29144624.

It is a super-2 number, since 2×42644192² = 3637054222665728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1332631 = 42644192 / (4 + 2 + 6 + 4 + 4 + 1 + 9 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666284 + ... + 666347.

It is an arithmetic number, because the mean of its divisors is an integer number (6996318).

Almost surely, 2^42644192 is an apocalyptic number.

It is an amenable number.

42644192 is a deficient number, since it is larger than the sum of its proper divisors (41311624).

42644192 is a wasteful number, since it uses less digits than its factorization.

42644192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332641 (or 1332633 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 42644192 is about 6530.2520625164. The cubic root of 42644192 is about 349.3708206506.

The spelling of 42644192 in words is "forty-two million, six hundred forty-four thousand, one hundred ninety-two".