530400240521 has 8 divisors (see below), whose sum is σ = 532159132800. Its totient is φ = 528643053648.

The previous prime is 530400240493. The next prime is 530400240563. The reversal of 530400240521 is 125042004035.

It is a happy number.

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 530400240521 - 2⁶ = 530400240457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530400246521) 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, 198215 + ... + 1048851.

It is an arithmetic number, because the mean of its divisors is an integer number (66519891600).

Almost surely, 2^530400240521 is an apocalyptic number.

It is an amenable number.

530400240521 is a deficient number, since it is larger than the sum of its proper divisors (1758892279).

530400240521 is a wasteful number, since it uses less digits than its factorization.

530400240521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852703.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 530400240521 its reverse (125042004035), we get a palindrome (655442244556).

The spelling of 530400240521 in words is "five hundred thirty billion, four hundred million, two hundred forty thousand, five hundred twenty-one".