348535532971640 has 128 divisors (see below), whose sum is σ = 943461354240000. Its totient is φ = 113201705530368.

The previous prime is 348535532971627. The next prime is 348535532971699. The reversal of 348535532971640 is 46179235535843.

It is a super-4 number, since 4×348535532971640⁴ (a number of 59 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86605169 + ... + 90540191.

It is an arithmetic number, because the mean of its divisors is an integer number (7370791830000).

It is a 2-persistent number, because it is pandigital, and so is 2⋅348535532971640 = 697071065943280, but 3⋅348535532971640 = 1045606598914920 is not.

Almost surely, 2^{348535532971640} is an apocalyptic number.

It is an amenable number.

348535532971640 is an abundant number, since it is smaller than the sum of its proper divisors (594925821268360).

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

348535532971640 is a wasteful number, since it uses less digits than its factorization.

348535532971640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951709 (or 3951705 counting only the distinct ones).

The product of its (nonzero) digits is 326592000, while the sum is 65.

The spelling of 348535532971640 in words is "three hundred forty-eight trillion, five hundred thirty-five billion, five hundred thirty-two million, nine hundred seventy-one thousand, six hundred forty".