726312321605144 has 32 divisors (see below), whose sum is σ = 1423410315798240. Its totient is φ = 346788781152000.

The previous prime is 726312321605093. The next prime is 726312321605149. The reversal of 726312321605144 is 441506123213627.

726312321605144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726312321605149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3283874087 + ... + 3284095254.

It is an arithmetic number, because the mean of its divisors is an integer number (44481572368695).

Almost surely, 2^{726312321605144} is an apocalyptic number.

It is an amenable number.

726312321605144 is a deficient number, since it is larger than the sum of its proper divisors (697097994193096).

726312321605144 is a wasteful number, since it uses less digits than its factorization.

726312321605144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567969971 (or 6567969967 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 726312321605144 in words is "seven hundred twenty-six trillion, three hundred twelve billion, three hundred twenty-one million, six hundred five thousand, one hundred forty-four".