344530466640 has 120 divisors (see below), whose sum is σ = 1166159075328. Its totient is φ = 91151343360.

The previous prime is 344530466617. The next prime is 344530466641. The reversal of 344530466640 is 46664035443.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344530466641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1792476 + ... + 1975355.

Almost surely, 2^344530466640 is an apocalyptic number.

344530466640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344530466640 is an abundant number, since it is smaller than the sum of its proper divisors (821628608688).

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

344530466640 is a wasteful number, since it uses less digits than its factorization.

344530466640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767977 (or 3767968 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 344530466640 in words is "three hundred forty-four billion, five hundred thirty million, four hundred sixty-six thousand, six hundred forty".