1401768263 has 16 divisors (see below), whose sum is σ = 1690848000. Its totient is φ = 1135233792.

The previous prime is 1401768259. The next prime is 1401768287. The reversal of 1401768263 is 3628671041.

It is not a de Polignac number, because 1401768263 - 2² = 1401768259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401768233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36503 + ... + 64311.

It is an arithmetic number, because the mean of its divisors is an integer number (105678000).

Almost surely, 2^1401768263 is an apocalyptic number.

1401768263 is a deficient number, since it is larger than the sum of its proper divisors (289079737).

1401768263 is a wasteful number, since it uses less digits than its factorization.

1401768263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28214.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1401768263 is about 37440.1958194665. The cubic root of 1401768263 is about 1119.1597287537.

The spelling of 1401768263 in words is "one billion, four hundred one million, seven hundred sixty-eight thousand, two hundred sixty-three".