1401055256 has 16 divisors (see below), whose sum is σ = 2628617640. Its totient is φ = 700090560.

The previous prime is 1401055223. The next prime is 1401055273. The reversal of 1401055256 is 6525501041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40805 + ... + 66836.

Almost surely, 2^1401055256 is an apocalyptic number.

It is an amenable number.

1401055256 is a deficient number, since it is larger than the sum of its proper divisors (1227562384).

1401055256 is a wasteful number, since it uses less digits than its factorization.

1401055256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109274 (or 109270 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1401055256 is about 37430.6726629378. The cubic root of 1401055256 is about 1118.9699436860.

Adding to 1401055256 its reverse (6525501041), we get a palindrome (7926556297).

The spelling of 1401055256 in words is "one billion, four hundred one million, fifty-five thousand, two hundred fifty-six".