43740627265 has 8 divisors (see below), whose sum is σ = 52490401128. Its totient is φ = 34991402880.

The previous prime is 43740627251. The next prime is 43740627289. The reversal of 43740627265 is 56272604734.

It can be written as a sum of positive squares in 4 ways, for example, as 6008730256 + 37731897009 = 77516^2 + 194247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43740627265 - 2⁵ = 43740627233 is a prime.

It is a super-2 number, since 2×43740627265² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64819 + ... + 302791.

It is an arithmetic number, because the mean of its divisors is an integer number (6561300141).

Almost surely, 2^43740627265 is an apocalyptic number.

It is an amenable number.

43740627265 is a deficient number, since it is larger than the sum of its proper divisors (8749773863).

43740627265 is a wasteful number, since it uses less digits than its factorization.

43740627265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274739.

The product of its (nonzero) digits is 1693440, while the sum is 46.

The spelling of 43740627265 in words is "forty-three billion, seven hundred forty million, six hundred twenty-seven thousand, two hundred sixty-five".