340044404 has 48 divisors (see below), whose sum is σ = 721913472. Its totient is φ = 136814592.

The previous prime is 340044379. The next prime is 340044407. The reversal of 340044404 is 404440043.

It is a self number, because there is not a number n which added to its sum of digits gives 340044404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340044407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278804 + ... + 280020.

It is an arithmetic number, because the mean of its divisors is an integer number (15039864).

Almost surely, 2^340044404 is an apocalyptic number.

340044404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340044404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360956736).

340044404 is an abundant number, since it is smaller than the sum of its proper divisors (381869068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340044404 is a wasteful number, since it uses less digits than its factorization.

340044404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 340044404 is about 18440.2929477815. The cubic root of 340044404 is about 697.9835875978.

Adding to 340044404 its reverse (404440043), we get a palindrome (744484447).

The spelling of 340044404 in words is "three hundred forty million, forty-four thousand, four hundred four".