40890358 has 4 divisors (see below), whose sum is σ = 61335540. Its totient is φ = 20445178.

The previous prime is 40890349. The next prime is 40890361. The reversal of 40890358 is 85309804.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10222588 + ... + 10222591.

It is an arithmetic number, because the mean of its divisors is an integer number (15333885).

Almost surely, 2^40890358 is an apocalyptic number.

40890358 is a deficient number, since it is larger than the sum of its proper divisors (20445182).

40890358 is a wasteful number, since it uses less digits than its factorization.

40890358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20445181.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 40890358 is about 6394.5569041178. The cubic root of 40890358 is about 344.5140761141.

The spelling of 40890358 in words is "forty million, eight hundred ninety thousand, three hundred fifty-eight".