5100081840 has 640 divisors, whose sum is σ = 21698611200. Its totient is φ = 1074954240.

The previous prime is 5100081829. The next prime is 5100081851. The reversal of 5100081840 is 481800015.

It is an interprime number because it is at equal distance from previous prime (5100081829) and next prime (5100081851).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11778264 + ... + 11778696.

It is an arithmetic number, because the mean of its divisors is an integer number (33904080).

Almost surely, 2^5100081840 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 5100081840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10849305600).

5100081840 is an abundant number, since it is smaller than the sum of its proper divisors (16598529360).

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

5100081840 is a wasteful number, since it uses less digits than its factorization.

5100081840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 5100081840 is about 71414.8572777402. The cubic root of 5100081840 is about 1721.3098279478.

Adding to 5100081840 its reverse (481800015), we get a palindrome (5581881855).

The spelling of 5100081840 in words is "five billion, one hundred million, eighty-one thousand, eight hundred forty".