40040316 has 36 divisors (see below), whose sum is σ = 101416224. Its totient is φ = 13320000.

The previous prime is 40040293. The next prime is 40040393. The reversal of 40040316 is 61304004.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×40040316³ (a number of 24 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26296 + ... + 27776.

Almost surely, 2^40040316 is an apocalyptic number.

It is an amenable number.

40040316 is an abundant number, since it is smaller than the sum of its proper divisors (61375908).

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

40040316 is a wasteful number, since it uses less digits than its factorization.

40040316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2237 counting only the distinct ones).

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

The square root of 40040316 is about 6327.7417772852. The cubic root of 40040316 is about 342.1100497385.

The spelling of 40040316 in words is "forty million, forty thousand, three hundred sixteen".