5223861901440 has 2816 divisors, whose sum is σ = 24284590848000. Its totient is φ = 1066623344640.

The previous prime is 5223861901397. The next prime is 5223861901499. The reversal of 5223861901440 is 441091683225.

5223861901440 is a `hidden beast` number, since 5 + 2 + 23 + 8 + 619 + 0 + 1 + 4 + 4 + 0 = 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 351 ways as a sum of consecutive naturals, for example, 168511674225 + ... + 168511674255.

Almost surely, 2^{5223861901440} 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 5223861901440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12142295424000).

5223861901440 is an abundant number, since it is smaller than the sum of its proper divisors (19060728946560).

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

5223861901440 is an frugal number, since it uses more digits than its factorization.

5223861901440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 5223861901440 in words is "five trillion, two hundred twenty-three billion, eight hundred sixty-one million, nine hundred one thousand, four hundred forty".