40253258 has 8 divisors (see below), whose sum is σ = 60480228. Its totient is φ = 20093184.

The previous prime is 40253233. The next prime is 40253261. The reversal of 40253258 is 85235204.

40253258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36929929 + 3323329 = 6077^2 + 1823^2 .

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

It is a super-2 number, since 2×40253258² = 3240649559229128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40253258.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15191 + ... + 17642.

Almost surely, 2^40253258 is an apocalyptic number.

40253258 is a deficient number, since it is larger than the sum of its proper divisors (20226970).

40253258 is a wasteful number, since it uses less digits than its factorization.

40253258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33448.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 40253258 is about 6344.5455313994. The cubic root of 40253258 is about 342.7154465237.

The spelling of 40253258 in words is "forty million, two hundred fifty-three thousand, two hundred fifty-eight".