348961616640 has 2304 divisors, whose sum is σ = 1655534039040. Its totient is φ = 67523051520.

The previous prime is 348961616639. The next prime is 348961616651. The reversal of 348961616640 is 46616169843.

348961616640 is a `hidden beast` number, since 3 + 4 + 8 + 9 + 616 + 16 + 6 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2304).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3261323467 + ... + 3261323573.

It is an arithmetic number, because the mean of its divisors is an integer number (718547760).

Almost surely, 2^348961616640 is an apocalyptic number.

348961616640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348961616640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827767019520).

348961616640 is an abundant number, since it is smaller than the sum of its proper divisors (1306572422400).

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

348961616640 is a wasteful number, since it uses less digits than its factorization.

348961616640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 348961616640 in words is "three hundred forty-eight billion, nine hundred sixty-one million, six hundred sixteen thousand, six hundred forty".