204144432443402 has 16 divisors (see below), whose sum is σ = 335260498843872. Its totient is φ = 92457931330320.

The previous prime is 204144432443351. The next prime is 204144432443429. The reversal of 204144432443402 is 204344234441402.

It is a self number, because there is not a number n which added to its sum of digits gives 204144432443402.

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, 16749619148 + ... + 16749631335.

It is an arithmetic number, because the mean of its divisors is an integer number (20953781177742).

Almost surely, 2^{204144432443402} is an apocalyptic number.

204144432443402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204144432443402 is a deficient number, since it is larger than the sum of its proper divisors (131116066400470).

204144432443402 is a wasteful number, since it uses less digits than its factorization.

204144432443402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33499250773.

The product of its (nonzero) digits is 1179648, while the sum is 41.

Adding to 204144432443402 its reverse (204344234441402), we get a palindrome (408488666884804).

The spelling of 204144432443402 in words is "two hundred four trillion, one hundred forty-four billion, four hundred thirty-two million, four hundred forty-three thousand, four hundred two".