235162122640 has 20 divisors (see below), whose sum is σ = 546751935324. Its totient is φ = 94064849024.

The previous prime is 235162122631. The next prime is 235162122659. The reversal of 235162122640 is 46221261532.

It can be written as a sum of positive squares in 2 ways, for example, as 44004291984 + 191157830656 = 209772^2 + 437216^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 235162122596 and 235162122605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469763187 + ... + 1469763346.

Almost surely, 2^235162122640 is an apocalyptic number.

235162122640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235162122640 is an abundant number, since it is smaller than the sum of its proper divisors (311589812684).

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

235162122640 is a wasteful number, since it uses less digits than its factorization.

235162122640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939526546 (or 2939526540 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 235162122640 in words is "two hundred thirty-five billion, one hundred sixty-two million, one hundred twenty-two thousand, six hundred forty".