40366258 has 8 divisors (see below), whose sum is σ = 60884460. Its totient is φ = 20071440.

The previous prime is 40366243. The next prime is 40366267. The reversal of 40366258 is 85266304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29888089 + 10478169 = 5467^2 + 3237^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55393 + ... + 56116.

Almost surely, 2^40366258 is an apocalyptic number.

40366258 is a deficient number, since it is larger than the sum of its proper divisors (20518202).

40366258 is a wasteful number, since it uses less digits than its factorization.

40366258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111692.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 40366258 is about 6353.4445775500. Note that the first 3 decimals coincide. The cubic root of 40366258 is about 343.0358401635.

The spelling of 40366258 in words is "forty million, three hundred sixty-six thousand, two hundred fifty-eight".