440724042293 has 2 divisors, whose sum is σ = 440724042294. Its totient is φ = 440724042292.

The previous prime is 440724042229. The next prime is 440724042299. The reversal of 440724042293 is 392240427044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440075677924 + 648364369 = 663382^2 + 25463^2 .

It is a cyclic number.

It is not a de Polignac number, because 440724042293 - 2⁶ = 440724042229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440724042293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440724042299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220362021146 + 220362021147.

It is an arithmetic number, because the mean of its divisors is an integer number (220362021147).

Almost surely, 2^440724042293 is an apocalyptic number.

It is an amenable number.

440724042293 is a deficient number, since it is larger than the sum of its proper divisors (1).

440724042293 is an equidigital number, since it uses as much as digits as its factorization.

440724042293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 41.

The spelling of 440724042293 in words is "four hundred forty billion, seven hundred twenty-four million, forty-two thousand, two hundred ninety-three".