340445904 has 40 divisors (see below), whose sum is σ = 880172832. Its totient is φ = 113393280.

The previous prime is 340445899. The next prime is 340445951. The reversal of 340445904 is 409544043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94374 + ... + 97914.

Almost surely, 2^340445904 is an apocalyptic number.

It is an amenable number.

340445904 is an abundant number, since it is smaller than the sum of its proper divisors (539726928).

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

340445904 is a wasteful number, since it uses less digits than its factorization.

340445904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555 (or 5549 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 340445904 is about 18451.1762226694. The cubic root of 340445904 is about 698.2581891728.

Adding to 340445904 its reverse (409544043), we get a palindrome (749989947).

The spelling of 340445904 in words is "three hundred forty million, four hundred forty-five thousand, nine hundred four".