233151134640 has 160 divisors (see below), whose sum is σ = 743502412800. Its totient is φ = 60402800640.

The previous prime is 233151134597. The next prime is 233151134653. The reversal of 233151134640 is 46431151332.

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, 2302191 + ... + 2401329.

It is an arithmetic number, because the mean of its divisors is an integer number (4646890080).

Almost surely, 2^233151134640 is an apocalyptic number.

233151134640 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 233151134640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371751206400).

233151134640 is an abundant number, since it is smaller than the sum of its proper divisors (510351278160).

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

233151134640 is a wasteful number, since it uses less digits than its factorization.

233151134640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99435 (or 99429 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 233151134640 its reverse (46431151332), we get a palindrome (279582285972).

The spelling of 233151134640 in words is "two hundred thirty-three billion, one hundred fifty-one million, one hundred thirty-four thousand, six hundred forty".