42715458 has 128 divisors (see below), whose sum is σ = 110592000. Its totient is φ = 12130560.

The previous prime is 42715447. The next prime is 42715459. The reversal of 42715458 is 85451724.

42715458 is a `hidden beast` number, since 42 + 71 + 545 + 8 = 666.

It is a super-2 number, since 2×42715458² = 3649220704299528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42715459) 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 63 ways as a sum of consecutive naturals, for example, 540663 + ... + 540741.

It is an arithmetic number, because the mean of its divisors is an integer number (864000).

Almost surely, 2^42715458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42715458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55296000).

42715458 is an abundant number, since it is smaller than the sum of its proper divisors (67876542).

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

42715458 is a wasteful number, since it uses less digits than its factorization.

42715458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 151 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 42715458 is about 6535.7063887540. The cubic root of 42715458 is about 349.5653325157.

The spelling of 42715458 in words is "forty-two million, seven hundred fifteen thousand, four hundred fifty-eight".