5140881816 has 32 divisors (see below), whose sum is σ = 14688234240. Its totient is φ = 1468823328.

The previous prime is 5140881791. The next prime is 5140881833. The reversal of 5140881816 is 6181880415.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15300076 + ... + 15300411.

It is an arithmetic number, because the mean of its divisors is an integer number (459007320).

Almost surely, 2^5140881816 is an apocalyptic number.

5140881816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5140881816 is an abundant number, since it is smaller than the sum of its proper divisors (9547352424).

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

5140881816 is a wasteful number, since it uses less digits than its factorization.

5140881816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30600503 (or 30600499 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 42.

The square root of 5140881816 is about 71699.9429288476. The cubic root of 5140881816 is about 1725.8877252241.

The spelling of 5140881816 in words is "five billion, one hundred forty million, eight hundred eighty-one thousand, eight hundred sixteen".