830307308944 has 45 divisors (see below), whose sum is σ = 1624658801857. Its totient is φ = 411080536832.

The previous prime is 830307308933. The next prime is 830307308947. The reversal of 830307308944 is 449803703038.

The square root of 830307308944 is 911212.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 210119558544 + 620187750400 = 458388^2 + 787520^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (830307308947) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 389997672 + ... + 389999800.

Almost surely, 2^830307308944 is an apocalyptic number.

830307308944 is the 911212-nd square number.

It is an amenable number.

830307308944 is a deficient number, since it is larger than the sum of its proper divisors (794351492913).

830307308944 is an frugal number, since it uses more digits than its factorization.

830307308944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480 (or 2238 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

Multiplying 830307308944 by its sum of digits (49), we get a square (40685058138256 = 6378484²).

The spelling of 830307308944 in words is "eight hundred thirty billion, three hundred seven million, three hundred eight thousand, nine hundred forty-four".