40258434 has 16 divisors (see below), whose sum is σ = 80589888. Its totient is φ = 13407312.

The previous prime is 40258423. The next prime is 40258447. The reversal of 40258434 is 43485204.

It is a Curzon number.

It is an unprimeable number.

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, 6364 + ... + 11000.

It is an arithmetic number, because the mean of its divisors is an integer number (5036868).

Almost surely, 2^40258434 is an apocalyptic number.

40258434 is an abundant number, since it is smaller than the sum of its proper divisors (40331454).

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

40258434 is a wasteful number, since it uses less digits than its factorization.

40258434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 40258434 is about 6344.9534277251. The cubic root of 40258434 is about 342.7301353482.

The spelling of 40258434 in words is "forty million, two hundred fifty-eight thousand, four hundred thirty-four".