233156445480 has 384 divisors, whose sum is σ = 904616294400. Its totient is φ = 50922026496.

The previous prime is 233156445479. The next prime is 233156445481. The reversal of 233156445480 is 84544651332.

233156445480 is a `hidden beast` number, since 2 + 3 + 3 + 1 + 564 + 4 + 5 + 4 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (233156445479) and next prime (233156445481).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (233156445481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 82707511 + ... + 82710329.

It is an arithmetic number, because the mean of its divisors is an integer number (2355771600).

Almost surely, 2^233156445480 is an apocalyptic number.

233156445480 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 233156445480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452308147200).

233156445480 is an abundant number, since it is smaller than the sum of its proper divisors (671459848920).

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

233156445480 is a wasteful number, since it uses less digits than its factorization.

233156445480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293 (or 4286 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 233156445480 in words is "two hundred thirty-three billion, one hundred fifty-six million, four hundred forty-five thousand, four hundred eighty".