722486142450 has 162 divisors, whose sum is σ = 2062852319541. Its totient is φ = 181252922880.

The previous prime is 722486142449. The next prime is 722486142457. The reversal of 722486142450 is 54241684227.

722486142450 is a `hidden beast` number, since 7 + 2 + 2 + 4 + 8 + 614 + 24 + 5 + 0 = 666.

It can be written as a sum of positive squares in 14 ways, for example, as 26134278921 + 696351863529 = 161661^2 + 834477^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=601035.

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 = 722486142396 and 722486142405.

It is not an unprimeable number, because it can be changed into a prime (722486142457) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 306526672 + ... + 306529028.

Almost surely, 2^722486142450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722486142450

722486142450 is an abundant number, since it is smaller than the sum of its proper divisors (1340366177091).

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

722486142450 is a wasteful number, since it uses less digits than its factorization.

722486142450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 722486142450 in words is "seven hundred twenty-two billion, four hundred eighty-six million, one hundred forty-two thousand, four hundred fifty".