344506040 has 64 divisors (see below), whose sum is σ = 792270720. Its totient is φ = 134784000.

The previous prime is 344506039. The next prime is 344506049. The reversal of 344506040 is 40605443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344506049) 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, 660980 + ... + 661500.

It is an arithmetic number, because the mean of its divisors is an integer number (12379230).

Almost surely, 2^344506040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344506040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396135360).

344506040 is an abundant number, since it is smaller than the sum of its proper divisors (447764680).

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

344506040 is a wasteful number, since it uses less digits than its factorization.

344506040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 344506040 is about 18560.8739018399. The cubic root of 344506040 is about 701.0230211751.

The spelling of 344506040 in words is "three hundred forty-four million, five hundred six thousand, forty".