731302046244 has 405 divisors, whose sum is σ = 2448413046849. Its totient is φ = 189640725120.

The previous prime is 731302046213. The next prime is 731302046261. The reversal of 731302046244 is 442640203137.

The square root of 731302046244 is 855162.

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

731302046244 is a `hidden beast` number, since 7 + 3 + 1 + 3 + 0 + 20 + 4 + 624 + 4 = 666.

731302046244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 21178980900 + 710123065344 = 145530^2 + 842688^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 731302046199 and 731302046208.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1185254224 + ... + 1185254840.

Almost surely, 2^731302046244 is an apocalyptic number.

731302046244 is the 855162-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731302046244

731302046244 is an abundant number, since it is smaller than the sum of its proper divisors (1717111000605).

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

731302046244 is a wasteful number, since it uses less digits than its factorization.

731302046244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

Multiplying 731302046244 by its sum of digits (36), we get a square (26326873664784 = 5130972²).

731302046244 divided by its sum of digits (36) gives a square (20313945729 = 142527²).

The spelling of 731302046244 in words is "seven hundred thirty-one billion, three hundred two million, forty-six thousand, two hundred forty-four".