40310316 has 72 divisors (see below), whose sum is σ = 106810704. Its totient is φ = 12804480.

The previous prime is 40310299. The next prime is 40310317. The reversal of 40310316 is 61301304.

40310316 is a `hidden beast` number, since 40 + 310 + 316 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (40310317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70311 + ... + 70881.

It is an arithmetic number, because the mean of its divisors is an integer number (1483482).

Almost surely, 2^40310316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40310316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53405352).

40310316 is an abundant number, since it is smaller than the sum of its proper divisors (66500388).

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

40310316 is a wasteful number, since it uses less digits than its factorization.

40310316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 40310316 is about 6349.0405574386. The cubic root of 40310316 is about 342.8773003030.

The spelling of 40310316 in words is "forty million, three hundred ten thousand, three hundred sixteen".