40252458 has 16 divisors (see below), whose sum is σ = 80637120. Its totient is φ = 13395456.

The previous prime is 40252451. The next prime is 40252483. The reversal of 40252458 is 85425204.

It is not an unprimeable number, because it can be changed into a prime (40252451) 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 7 ways as a sum of consecutive naturals, for example, 1303 + ... + 9066.

It is an arithmetic number, because the mean of its divisors is an integer number (5039820).

Almost surely, 2^40252458 is an apocalyptic number.

40252458 is an abundant number, since it is smaller than the sum of its proper divisors (40384662).

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

40252458 is a wasteful number, since it uses less digits than its factorization.

40252458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11021.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 40252458 is about 6344.4824848052. The cubic root of 40252458 is about 342.7131761139.

The spelling of 40252458 in words is "forty million, two hundred fifty-two thousand, four hundred fifty-eight".