1806401342 has 4 divisors (see below), whose sum is σ = 2709602016. Its totient is φ = 903200670.

The previous prime is 1806401321. The next prime is 1806401369. The reversal of 1806401342 is 2431046081.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451600334 + ... + 451600337.

It is an arithmetic number, because the mean of its divisors is an integer number (677400504).

Almost surely, 2^1806401342 is an apocalyptic number.

1806401342 is a deficient number, since it is larger than the sum of its proper divisors (903200674).

1806401342 is an equidigital number, since it uses as much as digits as its factorization.

1806401342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903200673.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1806401342 is about 42501.7804568232. The cubic root of 1806401342 is about 1217.8807025251.

The spelling of 1806401342 in words is "one billion, eight hundred six million, four hundred one thousand, three hundred forty-two".