40023606 has 16 divisors (see below), whose sum is σ = 91482624. Its totient is φ = 11435304.

The previous prime is 40023587. The next prime is 40023617. The reversal of 40023606 is 60632004.

40023606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent 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, 476430 + ... + 476513.

It is an arithmetic number, because the mean of its divisors is an integer number (5717664).

Almost surely, 2^40023606 is an apocalyptic number.

40023606 is an abundant number, since it is smaller than the sum of its proper divisors (51459018).

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

40023606 is a wasteful number, since it uses less digits than its factorization.

40023606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952955.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 40023606 is about 6326.4212632420. The cubic root of 40023606 is about 342.0624522590.

The spelling of 40023606 in words is "forty million, twenty-three thousand, six hundred six".