1402232032409 has 6 divisors (see below), whose sum is σ = 1518393266046. Its totient is φ = 1294368029760.

The previous prime is 1402232032379. The next prime is 1402232032433. The reversal of 1402232032409 is 9042302322041.

It can be written as a sum of positive squares in 3 ways, for example, as 144682858384 + 1257549174025 = 380372^2 + 1121405^2 .

It is not a de Polignac number, because 1402232032409 - 2³² = 1397937065113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1402232032469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4148615312 + ... + 4148615649.

It is an arithmetic number, because the mean of its divisors is an integer number (253065544341).

Almost surely, 2^{1402232032409} is an apocalyptic number.

It is an amenable number.

1402232032409 is a deficient number, since it is larger than the sum of its proper divisors (116161233637).

1402232032409 is an equidigital number, since it uses as much as digits as its factorization.

1402232032409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297230987 (or 8297230974 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 1402232032409 in words is "one trillion, four hundred two billion, two hundred thirty-two million, thirty-two thousand, four hundred nine".