7265740442405 has 4 divisors (see below), whose sum is σ = 8718888530892. Its totient is φ = 5812592353920.

The previous prime is 7265740442383. The next prime is 7265740442437. The reversal of 7265740442405 is 5042440475627.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4821577164481 + 2444163277924 = 2195809^2 + 1563382^2 .

It is not a de Polignac number, because 7265740442405 - 2⁶ = 7265740442341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726574044236 + ... + 726574044245.

It is an arithmetic number, because the mean of its divisors is an integer number (2179722132723).

Almost surely, 2^{7265740442405} is an apocalyptic number.

It is an amenable number.

7265740442405 is a deficient number, since it is larger than the sum of its proper divisors (1453148088487).

7265740442405 is a wasteful number, since it uses less digits than its factorization.

7265740442405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453148088486.

The product of its (nonzero) digits is 7526400, while the sum is 50.

The spelling of 7265740442405 in words is "seven trillion, two hundred sixty-five billion, seven hundred forty million, four hundred forty-two thousand, four hundred five".