40310406 has 32 divisors (see below), whose sum is σ = 92671200. Its totient is φ = 12972960.

The previous prime is 40310401. The next prime is 40310407. The reversal of 40310406 is 60401304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11305 + ... + 14436.

It is an arithmetic number, because the mean of its divisors is an integer number (2895975).

Almost surely, 2^40310406 is an apocalyptic number.

40310406 is an abundant number, since it is smaller than the sum of its proper divisors (52360794).

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

40310406 is a wasteful number, since it uses less digits than its factorization.

40310406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25781 (or 25775 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40310406 is about 6349.0476451197. The cubic root of 40310406 is about 342.8775554811.

The spelling of 40310406 in words is "forty million, three hundred ten thousand, four hundred six".