530923144840 has 64 divisors (see below), whose sum is σ = 1333481434560. Its totient is φ = 188573118720.

The previous prime is 530923144819. The next prime is 530923144853. The reversal of 530923144840 is 48441329035.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14011819 + ... + 14049658.

It is an arithmetic number, because the mean of its divisors is an integer number (20835647415).

Almost surely, 2^530923144840 is an apocalyptic number.

It is an amenable number.

530923144840 is an abundant number, since it is smaller than the sum of its proper divisors (802558289720).

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

530923144840 is a wasteful number, since it uses less digits than its factorization.

530923144840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28061542 (or 28061538 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 530923144840 in words is "five hundred thirty billion, nine hundred twenty-three million, one hundred forty-four thousand, eight hundred forty".