5298031440 has 480 divisors, whose sum is σ = 20841999360. Its totient is φ = 1195637760.

The previous prime is 5298031423. The next prime is 5298031463. The reversal of 5298031440 is 441308925.

5298031440 is a `hidden beast` number, since 529 + 80 + 3 + 14 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5298031395 and 5298031404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 170904225 + ... + 170904255.

It is an arithmetic number, because the mean of its divisors is an integer number (43420832).

Almost surely, 2^5298031440 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 5298031440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10420999680).

5298031440 is an abundant number, since it is smaller than the sum of its proper divisors (15543967920).

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

5298031440 is a wasteful number, since it uses less digits than its factorization.

5298031440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 5298031440 is about 72787.5775115507. The cubic root of 5298031440 is about 1743.2975122232.

The spelling of 5298031440 in words is "five billion, two hundred ninety-eight million, thirty-one thousand, four hundred forty".