40716720 has 240 divisors, whose sum is σ = 153552672. Its totient is φ = 9584640.

The previous prime is 40716701. The next prime is 40716727. The reversal of 40716720 is 2761704.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40716727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 419712 + ... + 419808.

Almost surely, 2^40716720 is an apocalyptic number.

40716720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40716720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76776336).

40716720 is an abundant number, since it is smaller than the sum of its proper divisors (112835952).

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

40716720 is a wasteful number, since it uses less digits than its factorization.

40716720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 40716720 is about 6380.9654441942. The cubic root of 40716720 is about 344.0257327064.

The spelling of 40716720 in words is "forty million, seven hundred sixteen thousand, seven hundred twenty".