40066626 has 32 divisors (see below), whose sum is σ = 82893888. Its totient is φ = 12902400.

The previous prime is 40066619. The next prime is 40066639. The reversal of 40066626 is 62666004.

It is a super-3 number, since 3×40066626³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40066593 and 40066602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24226 + ... + 25826.

It is an arithmetic number, because the mean of its divisors is an integer number (2590434).

Almost surely, 2^40066626 is an apocalyptic number.

40066626 is an abundant number, since it is smaller than the sum of its proper divisors (42827262).

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

40066626 is a wasteful number, since it uses less digits than its factorization.

40066626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 40066626 is about 6329.8203765984. The cubic root of 40066626 is about 342.1849654365.

The spelling of 40066626 in words is "forty million, sixty-six thousand, six hundred twenty-six".