725407226546 has 16 divisors (see below), whose sum is σ = 1090363032000. Its totient is φ = 361953638928.

The previous prime is 725407226519. The next prime is 725407226581. The reversal of 725407226546 is 645622704527.

It is a junction number, because it is equal to n+sod(n) for n = 725407226494 and 725407226503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740155 + ... + 2116353.

It is an arithmetic number, because the mean of its divisors is an integer number (68147689500).

Almost surely, 2^725407226546 is an apocalyptic number.

725407226546 is a deficient number, since it is larger than the sum of its proper divisors (364955805454).

725407226546 is a wasteful number, since it uses less digits than its factorization.

725407226546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378193.

The product of its (nonzero) digits is 5644800, while the sum is 50.

The spelling of 725407226546 in words is "seven hundred twenty-five billion, four hundred seven million, two hundred twenty-six thousand, five hundred forty-six".