344300240 has 20 divisors (see below), whose sum is σ = 800498244. Its totient is φ = 137720064.

The previous prime is 344300233. The next prime is 344300251. The reversal of 344300240 is 42003443.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 209554576 + 134745664 = 14476^2 + 11608^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-4 number, since 4×344300240⁴ (a number of 35 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2151797 + ... + 2151956.

Almost surely, 2^344300240 is an apocalyptic number.

It is an amenable number.

344300240 is an abundant number, since it is smaller than the sum of its proper divisors (456198004).

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

344300240 is a wasteful number, since it uses less digits than its factorization.

344300240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303766 (or 4303760 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 344300240 is about 18555.3291536421. The cubic root of 344300240 is about 700.8834016828.

Adding to 344300240 its reverse (42003443), we get a palindrome (386303683).

The spelling of 344300240 in words is "three hundred forty-four million, three hundred thousand, two hundred forty".