530400134400621 has 16 divisors (see below), whose sum is σ = 712722738140160. Its totient is φ = 350839750163760.

The previous prime is 530400134400611. The next prime is 530400134400637. The reversal of 530400134400621 is 126004431004035.

It is a happy number.

It is not a de Polignac number, because 530400134400621 - 2²³ = 530400126012013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530400134400611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115244191 + ... + 119758188.

It is an arithmetic number, because the mean of its divisors is an integer number (44545171133760).

Almost surely, 2^{530400134400621} is an apocalyptic number.

It is an amenable number.

530400134400621 is a deficient number, since it is larger than the sum of its proper divisors (182322603739539).

530400134400621 is a wasteful number, since it uses less digits than its factorization.

530400134400621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235008256.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 530400134400621 its reverse (126004431004035), we get a palindrome (656404565404656).

The spelling of 530400134400621 in words is "five hundred thirty trillion, four hundred billion, one hundred thirty-four million, four hundred thousand, six hundred twenty-one".