42699258 has 128 divisors (see below), whose sum is σ = 115568640. Its totient is φ = 11430720.

The previous prime is 42699229. The next prime is 42699259. The reversal of 42699258 is 85299624.

It is not an unprimeable number, because it can be changed into a prime (42699259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 601363 + ... + 601433.

It is an arithmetic number, because the mean of its divisors is an integer number (902880).

Almost surely, 2^42699258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42699258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57784320).

42699258 is an abundant number, since it is smaller than the sum of its proper divisors (72869382).

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

42699258 is a wasteful number, since it uses less digits than its factorization.

42699258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 163 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 42699258 is about 6534.4669254653. The cubic root of 42699258 is about 349.5211356004.

The spelling of 42699258 in words is "forty-two million, six hundred ninety-nine thousand, two hundred fifty-eight".