725762644446 has 64 divisors (see below), whose sum is σ = 1683933027840. Its totient is φ = 204250152960.

The previous prime is 725762644429. The next prime is 725762644507. The reversal of 725762644446 is 644446267527.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437470 + ... + 1281758.

It is an arithmetic number, because the mean of its divisors is an integer number (26311453560).

Almost surely, 2^725762644446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725762644446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841966513920).

725762644446 is an abundant number, since it is smaller than the sum of its proper divisors (958170383394).

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

725762644446 is a wasteful number, since it uses less digits than its factorization.

725762644446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844609.

The product of its digits is 54190080, while the sum is 57.

The spelling of 725762644446 in words is "seven hundred twenty-five billion, seven hundred sixty-two million, six hundred forty-four thousand, four hundred forty-six".