234245553520 has 160 divisors (see below), whose sum is σ = 615195000000. Its totient is φ = 82165923840.

The previous prime is 234245553413. The next prime is 234245553523. The reversal of 234245553520 is 25355542432.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234245553523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31870806 + ... + 31878154.

It is an arithmetic number, because the mean of its divisors is an integer number (3844968750).

Almost surely, 2^234245553520 is an apocalyptic number.

234245553520 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 234245553520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307597500000).

234245553520 is an abundant number, since it is smaller than the sum of its proper divisors (380949446480).

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

234245553520 is a wasteful number, since it uses less digits than its factorization.

234245553520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8651 (or 8645 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

The spelling of 234245553520 in words is "two hundred thirty-four billion, two hundred forty-five million, five hundred fifty-three thousand, five hundred twenty".