40000716 has 72 divisors (see below), whose sum is σ = 119857920. Its totient is φ = 11426832.

The previous prime is 40000691. The next prime is 40000717. The reversal of 40000716 is 61700004.

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 (40000717) 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, 3865 + ... + 9743.

Almost surely, 2^40000716 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 40000716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59928960).

40000716 is an abundant number, since it is smaller than the sum of its proper divisors (79857204).

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

40000716 is a wasteful number, since it uses less digits than its factorization.

40000716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5905 (or 5891 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 40000716 is about 6324.6119248536. The cubic root of 40000716 is about 341.9972298945.

The spelling of 40000716 in words is "forty million, seven hundred sixteen", and thus it is an aban number.