40000258 has 8 divisors (see below), whose sum is σ = 60196752. Its totient is φ = 19934676.

The previous prime is 40000253. The next prime is 40000271. The reversal of 40000258 is 85200004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40000253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31960 + ... + 33187.

It is an arithmetic number, because the mean of its divisors is an integer number (7524594).

Almost surely, 2^40000258 is an apocalyptic number.

40000258 is a deficient number, since it is larger than the sum of its proper divisors (20196494).

40000258 is a wasteful number, since it uses less digits than its factorization.

40000258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65456.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40000258 is about 6324.5757169948. The cubic root of 40000258 is about 341.9959246234.

The spelling of 40000258 in words is "forty million, two hundred fifty-eight", and thus it is an aban number.