1404042379 has 4 divisors (see below), whose sum is σ = 1406737800. Its totient is φ = 1401346960.

The previous prime is 1404042331. The next prime is 1404042401. The reversal of 1404042379 is 9732404041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1404042379 - 2⁷ = 1404042251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404042329) 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, 1346929 + ... + 1347970.

It is an arithmetic number, because the mean of its divisors is an integer number (351684450).

Almost surely, 2^1404042379 is an apocalyptic number.

1404042379 is a deficient number, since it is larger than the sum of its proper divisors (2695421).

1404042379 is an equidigital number, since it uses as much as digits as its factorization.

1404042379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695420.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1404042379 is about 37470.5534920423. The cubic root of 1404042379 is about 1119.7646133200.

The spelling of 1404042379 in words is "one billion, four hundred four million, forty-two thousand, three hundred seventy-nine".