1204402440431 has 8 divisors (see below), whose sum is σ = 1268969395200. Its totient is φ = 1140852288312.

The previous prime is 1204402440419. The next prime is 1204402440463. The reversal of 1204402440431 is 1340442044021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1204402440431 - 2¹⁰ = 1204402439407 is a prime.

It is a super-2 number, since 2×1204402440431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1204402440394 and 1204402440403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204402440481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254198231 + ... + 254202968.

It is an arithmetic number, because the mean of its divisors is an integer number (158621174400).

Almost surely, 2^{1204402440431} is an apocalyptic number.

1204402440431 is a deficient number, since it is larger than the sum of its proper divisors (64566954769).

1204402440431 is a wasteful number, since it uses less digits than its factorization.

1204402440431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508401325.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1204402440431 its reverse (1340442044021), we get a palindrome (2544844484452).

The spelling of 1204402440431 in words is "one trillion, two hundred four billion, four hundred two million, four hundred forty thousand, four hundred thirty-one".