40516782 has 16 divisors (see below), whose sum is σ = 82010880. Its totient is φ = 13342712.

The previous prime is 40516781. The next prime is 40516787. The reversal of 40516782 is 28761504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40516781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40182 + ... + 41177.

It is an arithmetic number, because the mean of its divisors is an integer number (5125680).

Almost surely, 2^40516782 is an apocalyptic number.

40516782 is an abundant number, since it is smaller than the sum of its proper divisors (41494098).

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

40516782 is a wasteful number, since it uses less digits than its factorization.

40516782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81447.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 40516782 is about 6365.2794125631. The cubic root of 40516782 is about 343.4616997823.

The spelling of 40516782 in words is "forty million, five hundred sixteen thousand, seven hundred eighty-two".