726255066436 has 9 divisors (see below), whose sum is σ = 1270949348991. Its totient is φ = 363126681012.

The previous prime is 726255066409. The next prime is 726255066463. The reversal of 726255066436 is 634660552627.

The square root of 726255066436 is 852206.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (726255066409) and next prime (726255066463).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1491361 + ... + 1917463.

Almost surely, 2^726255066436 is an apocalyptic number.

726255066436 is the 852206-th square number.

It is an amenable number.

726255066436 is a deficient number, since it is larger than the sum of its proper divisors (544694282555).

726255066436 is an frugal number, since it uses more digits than its factorization.

726255066436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852210 (or 426105 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 726255066436 in words is "seven hundred twenty-six billion, two hundred fifty-five million, sixty-six thousand, four hundred thirty-six".