24720045401 has 2 divisors, whose sum is σ = 24720045402. Its totient is φ = 24720045400.

The previous prime is 24720045397. The next prime is 24720045421. The reversal of 24720045401 is 10454002742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14078059801 + 10641985600 = 118651^2 + 103160^2 .

It is a cyclic number.

It is not a de Polignac number, because 24720045401 - 2² = 24720045397 is a prime.

It is a super-2 number, since 2×24720045401² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24720045421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12360022700 + 12360022701.

It is an arithmetic number, because the mean of its divisors is an integer number (12360022701).

Almost surely, 2^24720045401 is an apocalyptic number.

It is an amenable number.

24720045401 is a deficient number, since it is larger than the sum of its proper divisors (1).

24720045401 is an equidigital number, since it uses as much as digits as its factorization.

24720045401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 29.

The spelling of 24720045401 in words is "twenty-four billion, seven hundred twenty million, forty-five thousand, four hundred one".