40422420532 has 24 divisors (see below), whose sum is σ = 76455763496. Its totient is φ = 18589143168.

The previous prime is 40422420509. The next prime is 40422420587. The reversal of 40422420532 is 23502422404.

It can be written as a sum of positive squares in 4 ways, for example, as 1185149476 + 39237271056 = 34426^2 + 198084^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40422420532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388763 + ... + 1417570.

Almost surely, 2^40422420532 is an apocalyptic number.

It is an amenable number.

40422420532 is a deficient number, since it is larger than the sum of its proper divisors (36033342964).

40422420532 is a wasteful number, since it uses less digits than its factorization.

40422420532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806627 (or 2806625 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 40422420532 its reverse (23502422404), we get a palindrome (63924842936).

The spelling of 40422420532 in words is "forty billion, four hundred twenty-two million, four hundred twenty thousand, five hundred thirty-two".