1401330033 has 12 divisors (see below), whose sum is σ = 2037038068. Its totient is φ = 928268640.

The previous prime is 1401330023. The next prime is 1401330037. The reversal of 1401330033 is 3300331041.

It can be written as a sum of positive squares in 2 ways, for example, as 751691889 + 649638144 = 27417^2 + 25488^2 .

It is not a de Polignac number, because 1401330033 - 2⁹ = 1401329521 is a prime.

It is a super-2 number, since 2×1401330033² = 3927451722775562178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401329988 and 1401330015.

It is not an unprimeable number, because it can be changed into a prime (1401330037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494458 + ... + 497283.

Almost surely, 2^1401330033 is an apocalyptic number.

It is an amenable number.

1401330033 is a deficient number, since it is larger than the sum of its proper divisors (635708035).

1401330033 is a wasteful number, since it uses less digits than its factorization.

1401330033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991904 (or 991901 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1401330033 is about 37434.3429620449. The cubic root of 1401330033 is about 1119.0430902434.

Adding to 1401330033 its reverse (3300331041), we get a palindrome (4701661074).

The spelling of 1401330033 in words is "one billion, four hundred one million, three hundred thirty thousand, thirty-three".