1530323800772 has 24 divisors (see below), whose sum is σ = 2911025730816. Its totient is φ = 699702324768.

The previous prime is 1530323800771. The next prime is 1530323800793. The reversal of 1530323800772 is 2770083230351.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1530323800771) 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, 137514548 + ... + 137525675.

It is an arithmetic number, because the mean of its divisors is an integer number (121292738784).

Almost surely, 2^{1530323800772} is an apocalyptic number.

It is an amenable number.

1530323800772 is a deficient number, since it is larger than the sum of its proper divisors (1380701930044).

1530323800772 is a wasteful number, since it uses less digits than its factorization.

1530323800772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275040347 (or 275040345 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 1530323800772 in words is "one trillion, five hundred thirty billion, three hundred twenty-three million, eight hundred thousand, seven hundred seventy-two".