235196565040 has 80 divisors (see below), whose sum is σ = 562222363680. Its totient is φ = 91436359680.

The previous prime is 235196565017. The next prime is 235196565059. The reversal of 235196565040 is 40565691532.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×235196565040² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2707075 + ... + 2792605.

It is an arithmetic number, because the mean of its divisors is an integer number (7027779546).

Almost surely, 2^235196565040 is an apocalyptic number.

235196565040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235196565040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281111181840).

235196565040 is an abundant number, since it is smaller than the sum of its proper divisors (327025798640).

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

235196565040 is a wasteful number, since it uses less digits than its factorization.

235196565040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86510 (or 86504 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 235196565040 in words is "two hundred thirty-five billion, one hundred ninety-six million, five hundred sixty-five thousand, forty".