348400564578 has 80 divisors (see below), whose sum is σ = 851785482240. Its totient is φ = 105558616800.

The previous prime is 348400564549. The next prime is 348400564657. The reversal of 348400564578 is 875465004843.

It is a happy number.

348400564578 is a `hidden beast` number, since 3 + 4 + 8 + 4 + 0 + 0 + 5 + 64 + 578 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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 39 ways as a sum of consecutive naturals, for example, 14584428 + ... + 14608296.

It is an arithmetic number, because the mean of its divisors is an integer number (10647318528).

Almost surely, 2^348400564578 is an apocalyptic number.

348400564578 is an abundant number, since it is smaller than the sum of its proper divisors (503384917662).

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

348400564578 is a wasteful number, since it uses less digits than its factorization.

348400564578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32085 (or 32076 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 348400564578 in words is "three hundred forty-eight billion, four hundred million, five hundred sixty-four thousand, five hundred seventy-eight".