42664359 has 8 divisors (see below), whose sum is σ = 56992000. Its totient is φ = 28389816.

The previous prime is 42664357. The next prime is 42664361. The reversal of 42664359 is 95346624.

It is an interprime number because it is at equal distance from previous prime (42664357) and next prime (42664361).

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

It is not a de Polignac number, because 42664359 - 2¹ = 42664357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42664357) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11359 + ... + 14640.

It is an arithmetic number, because the mean of its divisors is an integer number (7124000).

Almost surely, 2^42664359 is an apocalyptic number.

42664359 is a deficient number, since it is larger than the sum of its proper divisors (14327641).

42664359 is a wasteful number, since it uses less digits than its factorization.

42664359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26549.

The product of its digits is 155520, while the sum is 39.

The square root of 42664359 is about 6531.7960011011. The cubic root of 42664359 is about 349.4258859918.

The spelling of 42664359 in words is "forty-two million, six hundred sixty-four thousand, three hundred fifty-nine".