1415401256 has 16 divisors (see below), whose sum is σ = 2725604340. Its totient is φ = 688573440.

The previous prime is 1415401237. The next prime is 1415401271. The reversal of 1415401256 is 6521045141.

It can be written as a sum of positive squares in 2 ways, for example, as 1229624356 + 185776900 = 35066^2 + 13630^2 .

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, 2390585 + ... + 2391176.

Almost surely, 2^1415401256 is an apocalyptic number.

It is an amenable number.

1415401256 is a deficient number, since it is larger than the sum of its proper divisors (1310203084).

1415401256 is a wasteful number, since it uses less digits than its factorization.

1415401256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781804 (or 4781800 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1415401256 is about 37621.8188821327. The cubic root of 1415401256 is about 1122.7761847379.

Adding to 1415401256 its reverse (6521045141), we get a palindrome (7936446397).

The spelling of 1415401256 in words is "one billion, four hundred fifteen million, four hundred one thousand, two hundred fifty-six".