430400431423252 has 12 divisors (see below), whose sum is σ = 753214669262356. Its totient is φ = 215196240205440.

The previous prime is 430400431423247. The next prime is 430400431423297. The reversal of 430400431423252 is 252324134004034.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23657289743376 + 406743141679876 = 4863876^2 + 20167874^2 .

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, 993632949 + ... + 994066012.

Almost surely, 2^{430400431423252} is an apocalyptic number.

It is an amenable number.

430400431423252 is a deficient number, since it is larger than the sum of its proper divisors (322814237839104).

430400431423252 is a wasteful number, since it uses less digits than its factorization.

430400431423252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987753098 (or 1987753096 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 430400431423252 its reverse (252324134004034), we get a palindrome (682724565427286).

The spelling of 430400431423252 in words is "four hundred thirty trillion, four hundred billion, four hundred thirty-one million, four hundred twenty-three thousand, two hundred fifty-two".