42664038 has 8 divisors (see below), whose sum is σ = 85328088. Its totient is φ = 14221344.

The previous prime is 42664009. The next prime is 42664043. The reversal of 42664038 is 83046624.

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

42664038 is an admirable number.

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, 3555331 + ... + 3555342.

It is an arithmetic number, because the mean of its divisors is an integer number (10666011).

Almost surely, 2^42664038 is an apocalyptic number.

42664038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42664038 is a wasteful number, since it uses less digits than its factorization.

42664038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110678.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 42664038 is about 6531.7714289464. The cubic root of 42664038 is about 349.4250096476.

The spelling of 42664038 in words is "forty-two million, six hundred sixty-four thousand, thirty-eight".