348664557620 has 192 divisors, whose sum is σ = 817310813760. Its totient is φ = 124327526400.

The previous prime is 348664557613. The next prime is 348664557643. The reversal of 348664557620 is 26755466843.

It can be written as a sum of positive squares in 32 ways, for example, as 128585353744 + 220079203876 = 358588^2 + 469126^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 397564622 + ... + 397565498.

It is an arithmetic number, because the mean of its divisors is an integer number (4256827155).

Almost surely, 2^348664557620 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 348664557620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408655406880).

348664557620 is an abundant number, since it is smaller than the sum of its proper divisors (468646256140).

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

348664557620 is a wasteful number, since it uses less digits than its factorization.

348664557620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 56.

The spelling of 348664557620 in words is "three hundred forty-eight billion, six hundred sixty-four million, five hundred fifty-seven thousand, six hundred twenty".