42493458 has 16 divisors (see below), whose sum is σ = 97128000. Its totient is φ = 12140976.

The previous prime is 42493457. The next prime is 42493513. The reversal of 42493458 is 85439424.

It is not an unprimeable number, because it can be changed into a prime (42493453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505833 + ... + 505916.

It is an arithmetic number, because the mean of its divisors is an integer number (6070500).

Almost surely, 2^42493458 is an apocalyptic number.

42493458 is an abundant number, since it is smaller than the sum of its proper divisors (54634542).

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

42493458 is a wasteful number, since it uses less digits than its factorization.

42493458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011761.

The product of its digits is 138240, while the sum is 39.

The square root of 42493458 is about 6518.7006373970. The cubic root of 42493458 is about 348.9586955056.

The spelling of 42493458 in words is "forty-two million, four hundred ninety-three thousand, four hundred fifty-eight".