430440200253021 has 64 divisors (see below), whose sum is σ = 676638774927360. Its totient is φ = 238298967897600.

The previous prime is 430440200252941. The next prime is 430440200253031. The reversal of 430440200253021 is 120352002044034.

It is not a de Polignac number, because 430440200253021 - 2¹⁵ = 430440200220253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 430440200253021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430440200253031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 476750665 + ... + 477652673.

It is an arithmetic number, because the mean of its divisors is an integer number (10572480858240).

Almost surely, 2^{430440200253021} is an apocalyptic number.

It is an amenable number.

430440200253021 is a deficient number, since it is larger than the sum of its proper divisors (246198574674339).

430440200253021 is a wasteful number, since it uses less digits than its factorization.

430440200253021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906954.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 430440200253021 its reverse (120352002044034), we get a palindrome (550792202297055).

The spelling of 430440200253021 in words is "four hundred thirty trillion, four hundred forty billion, two hundred million, two hundred fifty-three thousand, twenty-one".