40005210522 has 128 divisors (see below), whose sum is σ = 89907148800. Its totient is φ = 11825049600.

The previous prime is 40005210473. The next prime is 40005210523. The reversal of 40005210522 is 22501250004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40005210523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8180254 + ... + 8185142.

It is an arithmetic number, because the mean of its divisors is an integer number (702399600).

Almost surely, 2^40005210522 is an apocalyptic number.

40005210522 is an abundant number, since it is smaller than the sum of its proper divisors (49901938278).

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

40005210522 is a wasteful number, since it uses less digits than its factorization.

40005210522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032.

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 40005210522 its reverse (22501250004), we get a palindrome (62506460526).

The spelling of 40005210522 in words is "forty billion, five million, two hundred ten thousand, five hundred twenty-two".