1401042430309 has 4 divisors (see below), whose sum is σ = 1401459534720. Its totient is φ = 1400625325900.

The previous prime is 1401042430243. The next prime is 1401042430351. The reversal of 1401042430309 is 9030342401041.

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 not a de Polignac number, because 1401042430309 - 2²⁷ = 1400908212581 is a prime.

It is a super-2 number, since 2×1401042430309² (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 (1401042430369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208547167 + ... + 208553884.

It is an arithmetic number, because the mean of its divisors is an integer number (350364883680).

Almost surely, 2^{1401042430309} is an apocalyptic number.

It is an amenable number.

1401042430309 is a deficient number, since it is larger than the sum of its proper divisors (417104411).

1401042430309 is an equidigital number, since it uses as much as digits as its factorization.

1401042430309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417104410.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 1401042430309 in words is "one trillion, four hundred one billion, forty-two million, four hundred thirty thousand, three hundred nine".