42659390 has 8 divisors (see below), whose sum is σ = 76786920. Its totient is φ = 17063752.

The previous prime is 42659371. The next prime is 42659413. The reversal of 42659390 is 9395624.

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

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, 2132960 + ... + 2132979.

It is an arithmetic number, because the mean of its divisors is an integer number (9598365).

Almost surely, 2^42659390 is an apocalyptic number.

42659390 is a deficient number, since it is larger than the sum of its proper divisors (34127530).

42659390 is a wasteful number, since it uses less digits than its factorization.

42659390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265946.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 42659390 is about 6531.4156199097. The cubic root of 42659390 is about 349.4123199093.

The spelling of 42659390 in words is "forty-two million, six hundred fifty-nine thousand, three hundred ninety".