1530421440252 has 24 divisors (see below), whose sum is σ = 3571099639632. Its totient is φ = 510123868800.

The previous prime is 1530421440221. The next prime is 1530421440253. The reversal of 1530421440252 is 2520441240351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530421440253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1689649 + ... + 2432232.

It is an arithmetic number, because the mean of its divisors is an integer number (148795818318).

Almost surely, 2^{1530421440252} is an apocalyptic number.

1530421440252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1530421440252 is an abundant number, since it is smaller than the sum of its proper divisors (2040678199380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1530421440252 is a wasteful number, since it uses less digits than its factorization.

1530421440252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152829 (or 4152827 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 1530421440252 in words is "one trillion, five hundred thirty billion, four hundred twenty-one million, four hundred forty thousand, two hundred fifty-two".