40690626 has 32 divisors (see below), whose sum is σ = 83559168. Its totient is φ = 13203840.

The previous prime is 40690619. The next prime is 40690633. The reversal of 40690626 is 62609604.

40690626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40690619) and next prime (40690633).

It is a cake number, because a cake can be divided into 40690626 parts by 625 planar cuts.

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 15 ways as a sum of consecutive naturals, for example, 88036 + ... + 88496.

It is an arithmetic number, because the mean of its divisors is an integer number (2611224).

Almost surely, 2^40690626 is an apocalyptic number.

40690626 is an abundant number, since it is smaller than the sum of its proper divisors (42868542).

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

40690626 is a wasteful number, since it uses less digits than its factorization.

40690626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 40690626 is about 6378.9204415794. The cubic root of 40690626 is about 343.9522254278.

The spelling of 40690626 in words is "forty million, six hundred ninety thousand, six hundred twenty-six".