40708416 has 84 divisors (see below), whose sum is σ = 125321568. Its totient is φ = 11628288.

The previous prime is 40708391. The next prime is 40708417. The reversal of 40708416 is 61480704.

It is a tau number, because it is divible by the number of its divisors (84).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40708417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7245 + ... + 11571.

Almost surely, 2^40708416 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 40708416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62660784).

40708416 is an abundant number, since it is smaller than the sum of its proper divisors (84613152).

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

40708416 is a wasteful number, since it uses less digits than its factorization.

40708416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356 (or 4339 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 40708416 is about 6380.3147257796. The cubic root of 40708416 is about 344.0023435932.

The spelling of 40708416 in words is "forty million, seven hundred eight thousand, four hundred sixteen".