344491355720 has 64 divisors (see below), whose sum is σ = 781991608320. Its totient is φ = 136574532864.

The previous prime is 344491355717. The next prime is 344491355723. The reversal of 344491355720 is 27553194443.

It is an interprime number because it is at equal distance from previous prime (344491355717) and next prime (344491355723).

It is not an unprimeable number, because it can be changed into a prime (344491355723) 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, 5112569 + ... + 5179511.

It is an arithmetic number, because the mean of its divisors is an integer number (12218618880).

Almost surely, 2^344491355720 is an apocalyptic number.

It is an amenable number.

344491355720 is an abundant number, since it is smaller than the sum of its proper divisors (437500252600).

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

344491355720 is a wasteful number, since it uses less digits than its factorization.

344491355720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68094 (or 68090 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 344491355720 in words is "three hundred forty-four billion, four hundred ninety-one million, three hundred fifty-five thousand, seven hundred twenty".