1405272261327 has 8 divisors (see below), whose sum is σ = 2044032380160. Its totient is φ = 851680158360.

The previous prime is 1405272261293. The next prime is 1405272261329. The reversal of 1405272261327 is 7231622725041.

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

It is not a de Polignac number, because 1405272261327 - 2²⁸ = 1405003825871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405272261329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21292003927 + ... + 21292003992.

It is an arithmetic number, because the mean of its divisors is an integer number (255504047520).

Almost surely, 2^{1405272261327} is an apocalyptic number.

1405272261327 is a deficient number, since it is larger than the sum of its proper divisors (638760118833).

1405272261327 is a wasteful number, since it uses less digits than its factorization.

1405272261327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42584007933.

The product of its (nonzero) digits is 282240, while the sum is 42.

Adding to 1405272261327 its reverse (7231622725041), we get a palindrome (8636894986368).

The spelling of 1405272261327 in words is "one trillion, four hundred five billion, two hundred seventy-two million, two hundred sixty-one thousand, three hundred twenty-seven".