402422003344432 has 40 divisors (see below), whose sum is σ = 782368150653216. Its totient is φ = 200520895566336.

The previous prime is 402422003344343. The next prime is 402422003344451. The reversal of 402422003344432 is 234443300224204.

It is a junction number, because it is equal to n+sod(n) for n = 402422003344391 and 402422003344400.

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, 7426108 + ... + 29325604.

Almost surely, 2^{402422003344432} is an apocalyptic number.

It is an amenable number.

402422003344432 is a deficient number, since it is larger than the sum of its proper divisors (379946147308784).

402422003344432 is a wasteful number, since it uses less digits than its factorization.

402422003344432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21903445 (or 21903439 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 37.

Adding to 402422003344432 its reverse (234443300224204), we get a palindrome (636865303568636).

The spelling of 402422003344432 in words is "four hundred two trillion, four hundred twenty-two billion, three million, three hundred forty-four thousand, four hundred thirty-two".