402224021432 has 16 divisors (see below), whose sum is σ = 754186847400. Its totient is φ = 201107528800.

The previous prime is 402224021417. The next prime is 402224021449. The reversal of 402224021432 is 234120422204.

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, 162194 + ... + 911457.

Almost surely, 2^402224021432 is an apocalyptic number.

It is an amenable number.

402224021432 is a deficient number, since it is larger than the sum of its proper divisors (351962825968).

402224021432 is a wasteful number, since it uses less digits than its factorization.

402224021432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120486 (or 1120482 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 402224021432 its reverse (234120422204), we get a palindrome (636344443636).

The spelling of 402224021432 in words is "four hundred two billion, two hundred twenty-four million, twenty-one thousand, four hundred thirty-two".