344060640 has 576 divisors, whose sum is σ = 1528450560. Its totient is φ = 68382720.

The previous prime is 344060623. The next prime is 344060659. The reversal of 344060640 is 46060443.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3215467 + ... + 3215573.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 2^344060640 is an apocalyptic number.

344060640 is a gapful number since it is divisible by the number (30) 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 344060640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764225280).

344060640 is an abundant number, since it is smaller than the sum of its proper divisors (1184389920).

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

344060640 is a wasteful number, since it uses less digits than its factorization.

344060640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 344060640 is about 18548.8716637967. The cubic root of 344060640 is about 700.7207813751.

The spelling of 344060640 in words is "three hundred forty-four million, sixty thousand, six hundred forty".