344681140 has 12 divisors (see below), whose sum is σ = 723830436. Its totient is φ = 137872448.

The previous prime is 344681131. The next prime is 344681143. The reversal of 344681140 is 41186443.

344681140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 146603664 + 198077476 = 12108^2 + 14074^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344681143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8617009 + ... + 8617048.

It is an arithmetic number, because the mean of its divisors is an integer number (60319203).

Almost surely, 2^344681140 is an apocalyptic number.

It is an amenable number.

344681140 is an abundant number, since it is smaller than the sum of its proper divisors (379149296).

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

344681140 is a wasteful number, since it uses less digits than its factorization.

344681140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17234066 (or 17234064 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 344681140 is about 18565.5902141569. The cubic root of 344681140 is about 701.1417693017.

The spelling of 344681140 in words is "three hundred forty-four million, six hundred eighty-one thousand, one hundred forty".