40782522 has 16 divisors (see below), whose sum is σ = 88980192. Its totient is φ = 12358320.

The previous prime is 40782517. The next prime is 40782523. The reversal of 40782522 is 22528704.

It is a self number, because there is not a number n which added to its sum of digits gives 40782522.

It is not an unprimeable number, because it can be changed into a prime (40782523) 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, 308893 + ... + 309024.

It is an arithmetic number, because the mean of its divisors is an integer number (5561262).

Almost surely, 2^40782522 is an apocalyptic number.

40782522 is an abundant number, since it is smaller than the sum of its proper divisors (48197670).

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

40782522 is a wasteful number, since it uses less digits than its factorization.

40782522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617933.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 40782522 is about 6386.1194789950. The cubic root of 40782522 is about 344.2109588034.

The spelling of 40782522 in words is "forty million, seven hundred eighty-two thousand, five hundred twenty-two".