40404002422 has 24 divisors (see below), whose sum is σ = 72000887904. Its totient is φ = 16947573552.

The previous prime is 40404002413. The next prime is 40404002449. The reversal of 40404002422 is 22420040404.

It is a junction number, because it is equal to n+sod(n) for n = 40404002393 and 40404002402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4381413 + ... + 4390624.

It is an arithmetic number, because the mean of its divisors is an integer number (3000036996).

Almost surely, 2^40404002422 is an apocalyptic number.

40404002422 is a deficient number, since it is larger than the sum of its proper divisors (31596885482).

40404002422 is a wasteful number, since it uses less digits than its factorization.

40404002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8772100 (or 8772093 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40404002422 its reverse (22420040404), we get a palindrome (62824042826).

The spelling of 40404002422 in words is "forty billion, four hundred four million, two thousand, four hundred twenty-two".