42664262 has 8 divisors (see below), whose sum is σ = 64089792. Its totient is φ = 21301000.

The previous prime is 42664261. The next prime is 42664267. The reversal of 42664262 is 26246624.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42664261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13814 + ... + 16617.

It is an arithmetic number, because the mean of its divisors is an integer number (8011224).

Almost surely, 2^42664262 is an apocalyptic number.

42664262 is a deficient number, since it is larger than the sum of its proper divisors (21425530).

42664262 is a wasteful number, since it uses less digits than its factorization.

42664262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31134.

The product of its digits is 27648, while the sum is 32.

The square root of 42664262 is about 6531.7885758803. The cubic root of 42664262 is about 349.4256211780.

The spelling of 42664262 in words is "forty-two million, six hundred sixty-four thousand, two hundred sixty-two".