5207402844 has 240 divisors, whose sum is σ = 15924142080. Its totient is φ = 1453334400.

The previous prime is 5207402839. The next prime is 5207402857. The reversal of 5207402844 is 4482047025.

5207402844 is a `hidden beast` number, since 5 + 207 + 402 + 8 + 44 = 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 = 5207402799 and 5207402808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 29091547 + ... + 29091725.

It is an arithmetic number, because the mean of its divisors is an integer number (66350592).

Almost surely, 2^5207402844 is an apocalyptic number.

5207402844 is a gapful number since it is divisible by the number (54) 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 5207402844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7962071040).

5207402844 is an abundant number, since it is smaller than the sum of its proper divisors (10716739236).

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

5207402844 is a wasteful number, since it uses less digits than its factorization.

5207402844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 5207402844 is about 72162.3367415441. The cubic root of 5207402844 is about 1733.2999532855.

Adding to 5207402844 its reverse (4482047025), we get a palindrome (9689449869).

The spelling of 5207402844 in words is "five billion, two hundred seven million, four hundred two thousand, eight hundred forty-four".