724145420565441 has 80 divisors (see below), whose sum is σ = 1242018249626880. Its totient is φ = 411882342474240.

The previous prime is 724145420565353. The next prime is 724145420565499. The reversal of 724145420565441 is 144565024541427.

724145420565441 is a `hidden beast` number, since 7 + 2 + 4 + 1 + 4 + 5 + 42 + 0 + 56 + 544 + 1 = 666.

It is not a de Polignac number, because 724145420565441 - 2¹⁵ = 724145420532673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (724145420565041) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 102563236 + ... + 109396106.

It is an arithmetic number, because the mean of its divisors is an integer number (15525228120336).

Almost surely, 2^{724145420565441} is an apocalyptic number.

It is an amenable number.

724145420565441 is a deficient number, since it is larger than the sum of its proper divisors (517872829061439).

724145420565441 is a wasteful number, since it uses less digits than its factorization.

724145420565441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833756 (or 6833747 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 54.

The spelling of 724145420565441 in words is "seven hundred twenty-four trillion, one hundred forty-five billion, four hundred twenty million, five hundred sixty-five thousand, four hundred forty-one".