348354438780 has 96 divisors (see below), whose sum is σ = 994472640000. Its totient is φ = 91079742208.

The previous prime is 348354438769. The next prime is 348354438787. The reversal of 348354438780 is 87834453843.

It is a self number, because there is not a number n which added to its sum of digits gives 348354438780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348354438787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4730281 + ... + 4803359.

It is an arithmetic number, because the mean of its divisors is an integer number (10359090000).

Almost surely, 2^348354438780 is an apocalyptic number.

348354438780 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 348354438780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497236320000).

348354438780 is an abundant number, since it is smaller than the sum of its proper divisors (646118201220).

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

348354438780 is a wasteful number, since it uses less digits than its factorization.

348354438780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74643 (or 74641 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 57.

The spelling of 348354438780 in words is "three hundred forty-eight billion, three hundred fifty-four million, four hundred thirty-eight thousand, seven hundred eighty".