40422330320 has 20 divisors (see below), whose sum is σ = 93981918180. Its totient is φ = 16168932096.

The previous prime is 40422330313. The next prime is 40422330331. The reversal of 40422330320 is 2303322404.

It can be written as a sum of positive squares in 2 ways, for example, as 6511844416 + 33910485904 = 80696^2 + 184148^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252639485 + ... + 252639644.

It is an arithmetic number, because the mean of its divisors is an integer number (4699095909).

Almost surely, 2^40422330320 is an apocalyptic number.

40422330320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40422330320 is an abundant number, since it is smaller than the sum of its proper divisors (53559587860).

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

40422330320 is a wasteful number, since it uses less digits than its factorization.

40422330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505279142 (or 505279136 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 40422330320 its reverse (2303322404), we get a palindrome (42725652724).

The spelling of 40422330320 in words is "forty billion, four hundred twenty-two million, three hundred thirty thousand, three hundred twenty".