740040423901 has 2 divisors, whose sum is σ = 740040423902. Its totient is φ = 740040423900.

The previous prime is 740040423853. The next prime is 740040423923. The reversal of 740040423901 is 109324040047.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666918855801 + 73121568100 = 816651^2 + 270410^2 .

It is a cyclic number.

It is not a de Polignac number, because 740040423901 - 2³⁹ = 190284610013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740040427901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370020211950 + 370020211951.

It is an arithmetic number, because the mean of its divisors is an integer number (370020211951).

Almost surely, 2^740040423901 is an apocalyptic number.

It is an amenable number.

740040423901 is a deficient number, since it is larger than the sum of its proper divisors (1).

740040423901 is an equidigital number, since it uses as much as digits as its factorization.

740040423901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 740040423901 its reverse (109324040047), we get a palindrome (849364463948).

The spelling of 740040423901 in words is "seven hundred forty billion, forty million, four hundred twenty-three thousand, nine hundred one".