344036780 has 48 divisors (see below), whose sum is σ = 738751104. Its totient is φ = 134534400.

The previous prime is 344036753. The next prime is 344036801. The reversal of 344036780 is 87630443.

It is a super-2 number, since 2×344036780² = 236722611985536800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344036780.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490430 + ... + 491130.

It is an arithmetic number, because the mean of its divisors is an integer number (15390648).

Almost surely, 2^344036780 is an apocalyptic number.

It is an amenable number.

344036780 is an abundant number, since it is smaller than the sum of its proper divisors (394714324).

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

344036780 is a wasteful number, since it uses less digits than its factorization.

344036780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 344036780 is about 18548.2284868394. The cubic root of 344036780 is about 700.7045830829.

The spelling of 344036780 in words is "three hundred forty-four million, thirty-six thousand, seven hundred eighty".