42042046 has 8 divisors (see below), whose sum is σ = 64529784. Its totient is φ = 20532120.

The previous prime is 42042023. The next prime is 42042053. The reversal of 42042046 is 64024024.

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

It is a super-2 number, since 2×42042046² = 3535067263732232, 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244345 + ... + 244516.

It is an arithmetic number, because the mean of its divisors is an integer number (8066223).

Almost surely, 2^42042046 is an apocalyptic number.

42042046 is a deficient number, since it is larger than the sum of its proper divisors (22487738).

42042046 is a wasteful number, since it uses less digits than its factorization.

42042046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488906.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42042046 is about 6483.9838062722. The cubic root of 42042046 is about 347.7186202604.

The spelling of 42042046 in words is "forty-two million, forty-two thousand, forty-six", and thus it is an eban number.