1401598256 has 10 divisors (see below), whose sum is σ = 2715596652. Its totient is φ = 700799120.

The previous prime is 1401598249. The next prime is 1401598267. The reversal of 1401598256 is 6528951041.

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 as a sum of consecutive naturals, namely, 43799930 + ... + 43799961.

Almost surely, 2^1401598256 is an apocalyptic number.

1401598256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1401598256 is a deficient number, since it is larger than the sum of its proper divisors (1313998396).

1401598256 is an equidigital number, since it uses as much as digits as its factorization.

1401598256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87599899 (or 87599893 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 1401598256 is about 37437.9253698706. The cubic root of 1401598256 is about 1119.1144828821.

The spelling of 1401598256 in words is "one billion, four hundred one million, five hundred ninety-eight thousand, two hundred fifty-six".