348640880 has 240 divisors, whose sum is σ = 1031362560. Its totient is φ = 108864000.

The previous prime is 348640841. The next prime is 348640883. The reversal of 348640880 is 88046843.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348640883) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2308805 + ... + 2308955.

It is an arithmetic number, because the mean of its divisors is an integer number (4297344).

Almost surely, 2^348640880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348640880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515681280).

348640880 is an abundant number, since it is smaller than the sum of its proper divisors (682721680).

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

348640880 is a wasteful number, since it uses less digits than its factorization.

348640880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 348640880 is about 18671.9275919761. The cubic root of 348640880 is about 703.8164875500.

The spelling of 348640880 in words is "three hundred forty-eight million, six hundred forty thousand, eight hundred eighty".