1330040234021 has 4 divisors (see below), whose sum is σ = 1330143199200. Its totient is φ = 1329937268844.

The previous prime is 1330040233999. The next prime is 1330040234057. The reversal of 1330040234021 is 1204320400331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330040234021 is a prime.

It is a super-2 number, since 2×1330040234021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330040234071) 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, 51463211 + ... + 51489048.

It is an arithmetic number, because the mean of its divisors is an integer number (332535799800).

Almost surely, 2^{1330040234021} is an apocalyptic number.

It is an amenable number.

1330040234021 is a deficient number, since it is larger than the sum of its proper divisors (102965179).

1330040234021 is a wasteful number, since it uses less digits than its factorization.

1330040234021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102965178.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1330040234021 its reverse (1204320400331), we get a palindrome (2534360634352).

The spelling of 1330040234021 in words is "one trillion, three hundred thirty billion, forty million, two hundred thirty-four thousand, twenty-one".