724145320565441 has 64 divisors (see below), whose sum is σ = 793008079718400. Its totient is φ = 658545997824000.

The previous prime is 724145320565389. The next prime is 724145320565479. The reversal of 724145320565441 is 144565023541427.

It is not a de Polignac number, because 724145320565441 - 2²⁶ = 724145253456577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724145320565741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107551655711 + ... + 107551662443.

It is an arithmetic number, because the mean of its divisors is an integer number (12390751245600).

Almost surely, 2^{724145320565441} is an apocalyptic number.

It is an amenable number.

724145320565441 is a deficient number, since it is larger than the sum of its proper divisors (68862759152959).

724145320565441 is a wasteful number, since it uses less digits than its factorization.

724145320565441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9450.

The product of its (nonzero) digits is 16128000, while the sum is 53.

The spelling of 724145320565441 in words is "seven hundred twenty-four trillion, one hundred forty-five billion, three hundred twenty million, five hundred sixty-five thousand, four hundred forty-one".