42657199 has 16 divisors (see below), whose sum is σ = 48898080. Its totient is φ = 36864000.

The previous prime is 42657193. The next prime is 42657217. The reversal of 42657199 is 99175624.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42657199 - 2¹³ = 42649007 is a prime.

It is a Duffinian number.

42657199 is a Rhonda number in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42657193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55087 + ... + 55855.

It is an arithmetic number, because the mean of its divisors is an integer number (3056130).

Almost surely, 2^42657199 is an apocalyptic number.

42657199 is a deficient number, since it is larger than the sum of its proper divisors (6240881).

42657199 is a wasteful number, since it uses less digits than its factorization.

42657199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050.

The product of its digits is 136080, while the sum is 43.

The square root of 42657199 is about 6531.2478899518. The cubic root of 42657199 is about 349.4063378305.

The spelling of 42657199 in words is "forty-two million, six hundred fifty-seven thousand, one hundred ninety-nine".