40677690 has 16 divisors (see below), whose sum is σ = 97626528. Its totient is φ = 10847376.

The previous prime is 40677683. The next prime is 40677713. The reversal of 40677690 is 9677604.

40677690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40677690² = 3309348927472200, which contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 677932 + ... + 677991.

It is an arithmetic number, because the mean of its divisors is an integer number (6101658).

Almost surely, 2^40677690 is an apocalyptic number.

40677690 is an abundant number, since it is smaller than the sum of its proper divisors (56948838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40677690 is a wasteful number, since it uses less digits than its factorization.

40677690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355933.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 40677690 is about 6377.9063963028. The cubic root of 40677690 is about 343.9157728259.

The spelling of 40677690 in words is "forty million, six hundred seventy-seven thousand, six hundred ninety".