42511458 has 32 divisors (see below), whose sum is σ = 98210880. Its totient is φ = 12124160.

The previous prime is 42511457. The next prime is 42511489. The reversal of 42511458 is 85411524.

It is a super-3 number, since 3×42511458³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (42511451) 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, 17823 + ... + 20066.

It is an arithmetic number, because the mean of its divisors is an integer number (3069090).

Almost surely, 2^42511458 is an apocalyptic number.

42511458 is an abundant number, since it is smaller than the sum of its proper divisors (55699422).

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

42511458 is a wasteful number, since it uses less digits than its factorization.

42511458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37922.

The product of its digits is 6400, while the sum is 30.

The square root of 42511458 is about 6520.0811344645. The cubic root of 42511458 is about 349.0079608915.

The spelling of 42511458 in words is "forty-two million, five hundred eleven thousand, four hundred fifty-eight".