1403055256 has 16 divisors (see below), whose sum is σ = 2691909000. Its totient is φ = 685212864.

The previous prime is 1403055229. The next prime is 1403055259. The reversal of 1403055256 is 6525503041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403055259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038981 + ... + 2039668.

Almost surely, 2^1403055256 is an apocalyptic number.

It is an amenable number.

1403055256 is a deficient number, since it is larger than the sum of its proper divisors (1288853744).

1403055256 is a wasteful number, since it uses less digits than its factorization.

1403055256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078698 (or 4078694 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1403055256 is about 37457.3791928907. The cubic root of 1403055256 is about 1119.5021320344.

Adding to 1403055256 its reverse (6525503041), we get a palindrome (7928558297).

The spelling of 1403055256 in words is "one billion, four hundred three million, fifty-five thousand, two hundred fifty-six".