402204420244 has 12 divisors (see below), whose sum is σ = 767844802368. Its totient is φ = 182820191000.

The previous prime is 402204420239. The next prime is 402204420257. The reversal of 402204420244 is 442024402204.

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, 4570504732 + ... + 4570504819.

It is an arithmetic number, because the mean of its divisors is an integer number (63987066864).

Almost surely, 2^402204420244 is an apocalyptic number.

402204420244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402204420244 is a deficient number, since it is larger than the sum of its proper divisors (365640382124).

402204420244 is a wasteful number, since it uses less digits than its factorization.

402204420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141009566 (or 9141009564 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 402204420244 its reverse (442024402204), we get a palindrome (844228822448).

The spelling of 402204420244 in words is "four hundred two billion, two hundred four million, four hundred twenty thousand, two hundred forty-four".