722630398050 has 162 divisors, whose sum is σ = 2134595129121. Its totient is φ = 175135039200.

The previous prime is 722630397991. The next prime is 722630398079. The reversal of 722630398050 is 50893036227.

722630398050 is a `hidden beast` number, since 7 + 2 + 2 + 630 + 3 + 9 + 8 + 0 + 5 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 708177790089 + 14452607961 = 841533^2 + 120219^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=601095.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 722630397987 and 722630398005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 198359529 + ... + 198363171.

Almost surely, 2^722630398050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722630398050

722630398050 is an abundant number, since it is smaller than the sum of its proper divisors (1411964731071).

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

722630398050 is a wasteful number, since it uses less digits than its factorization.

722630398050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326 (or 3664 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 722630398050 in words is "seven hundred twenty-two billion, six hundred thirty million, three hundred ninety-eight thousand, fifty".