2281832534520 has 576 divisors, whose sum is σ = 9325022616000. Its totient is φ = 473683415040.

The previous prime is 2281832534489. The next prime is 2281832534521. The reversal of 2281832534520 is 254352381822.

2281832534520 is a `hidden beast` number, since 2 + 2 + 81 + 8 + 32 + 534 + 5 + 2 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281832534521) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 374743636 + ... + 374749724.

It is an arithmetic number, because the mean of its divisors is an integer number (16189275375).

Almost surely, 2^{2281832534520} is an apocalyptic number.

2281832534520 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 2281832534520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4662511308000).

2281832534520 is an abundant number, since it is smaller than the sum of its proper divisors (7043190081480).

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

2281832534520 is a wasteful number, since it uses less digits than its factorization.

2281832534520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364 (or 7346 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 2281832534520 in words is "two trillion, two hundred eighty-one billion, eight hundred thirty-two million, five hundred thirty-four thousand, five hundred twenty".