740444490449 has 4 divisors (see below), whose sum is σ = 740446967664. Its totient is φ = 740442013236.

The previous prime is 740444490389. The next prime is 740444490493. The reversal of 740444490449 is 944094444047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 740444490449 - 2²⁸ = 740176054993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 740444490449.

It is not an unprimeable number, because it can be changed into a prime (740444490349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717047 + ... + 1412460.

It is an arithmetic number, because the mean of its divisors is an integer number (185111741916).

Almost surely, 2^740444490449 is an apocalyptic number.

It is an amenable number.

740444490449 is a deficient number, since it is larger than the sum of its proper divisors (2477215).

740444490449 is a wasteful number, since it uses less digits than its factorization.

740444490449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477214.

The product of its (nonzero) digits is 9289728, while the sum is 53.

The spelling of 740444490449 in words is "seven hundred forty billion, four hundred forty-four million, four hundred ninety thousand, four hundred forty-nine".