5631428441520 has 1920 divisors, whose sum is σ = 24306364293120. Its totient is φ = 1182628823040.

The previous prime is 5631428441453. The next prime is 5631428441539. The reversal of 5631428441520 is 251448241365.

5631428441520 is a `hidden beast` number, since 5 + 6 + 3 + 1 + 4 + 2 + 84 + 41 + 520 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 26689234215 + ... + 26689234425.

It is an arithmetic number, because the mean of its divisors is an integer number (12659564736).

Almost surely, 2^{5631428441520} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5631428441520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12153182146560).

5631428441520 is an abundant number, since it is smaller than the sum of its proper divisors (18674935851600).

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

5631428441520 is a wasteful number, since it uses less digits than its factorization.

5631428441520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 467 counting only the distinct ones).

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

The spelling of 5631428441520 in words is "five trillion, six hundred thirty-one billion, four hundred twenty-eight million, four hundred forty-one thousand, five hundred twenty".