1418481256 has 16 divisors (see below), whose sum is σ = 2669121540. Its totient is φ = 706715520.

The previous prime is 1418481227. The next prime is 1418481283. The reversal of 1418481256 is 6521848141.

It can be written as a sum of positive squares in 2 ways, for example, as 1372702500 + 45778756 = 37050^2 + 6766^2 .

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 3 ways as a sum of consecutive naturals, for example, 313251 + ... + 317746.

Almost surely, 2^1418481256 is an apocalyptic number.

It is an amenable number.

1418481256 is a deficient number, since it is larger than the sum of its proper divisors (1250640284).

1418481256 is a wasteful number, since it uses less digits than its factorization.

1418481256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631284 (or 631280 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The square root of 1418481256 is about 37662.7303311908. The cubic root of 1418481256 is about 1123.5900046776.

It can be divided in two parts, 1418481 and 256, that multiplied together give a square (363131136 = 19056²).

The spelling of 1418481256 in words is "one billion, four hundred eighteen million, four hundred eighty-one thousand, two hundred fifty-six".