40317696 has 144 divisors (see below), whose sum is σ = 125910400. Its totient is φ = 12690432.

The previous prime is 40317691. The next prime is 40317713. The reversal of 40317696 is 69671304.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×40317696² = 3251033221496832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40317696.

It is not an unprimeable number, because it can be changed into a prime (40317691) 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, 131175 + ... + 131481.

Almost surely, 2^40317696 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 40317696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62955200).

40317696 is an abundant number, since it is smaller than the sum of its proper divisors (85592704).

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

40317696 is a wasteful number, since it uses less digits than its factorization.

40317696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40317696 is about 6349.6217210161. The cubic root of 40317696 is about 342.8982236490.

The spelling of 40317696 in words is "forty million, three hundred seventeen thousand, six hundred ninety-six".