40690574 has 16 divisors (see below), whose sum is σ = 62388096. Its totient is φ = 19899000.

The previous prime is 40690549. The next prime is 40690583. The reversal of 40690574 is 47509604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19229 + ... + 21239.

It is an arithmetic number, because the mean of its divisors is an integer number (3899256).

Almost surely, 2^40690574 is an apocalyptic number.

40690574 is a deficient number, since it is larger than the sum of its proper divisors (21697522).

40690574 is a wasteful number, since it uses less digits than its factorization.

40690574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 40690574 is about 6378.9163656533. The cubic root of 40690574 is about 343.9520789114.

The spelling of 40690574 in words is "forty million, six hundred ninety thousand, five hundred seventy-four".