235899955368 has 640 divisors, whose sum is σ = 851736695040. Its totient is φ = 59715532800.

The previous prime is 235899955367. The next prime is 235899955441. The reversal of 235899955368 is 863559998532.

235899955368 is a `hidden beast` number, since 2 + 3 + 5 + 8 + 9 + 9 + 9 + 553 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 235899955296 and 235899955305.

It is not an unprimeable number, because it can be changed into a prime (235899955367) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 247533580 + ... + 247534532.

It is an arithmetic number, because the mean of its divisors is an integer number (1330838586).

Almost surely, 2^235899955368 is an apocalyptic number.

235899955368 is a gapful number since it is divisible by the number (28) 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 235899955368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425868347520).

235899955368 is an abundant number, since it is smaller than the sum of its proper divisors (615836739672).

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

235899955368 is a wasteful number, since it uses less digits than its factorization.

235899955368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1017 counting only the distinct ones).

The product of its digits is 629856000, while the sum is 72.

The spelling of 235899955368 in words is "two hundred thirty-five billion, eight hundred ninety-nine million, nine hundred fifty-five thousand, three hundred sixty-eight".