5148812540 has 48 divisors (see below), whose sum is σ = 11206490400. Its totient is φ = 1984749312.

The previous prime is 5148812533. The next prime is 5148812549. The reversal of 5148812540 is 452188415.

It is a super-2 number, since 2×5148812540² = 53020541144122503200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5148812494 and 5148812503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5148812549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309146 + ... + 325374.

It is an arithmetic number, because the mean of its divisors is an integer number (233468550).

Almost surely, 2^5148812540 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 5148812540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5603245200).

5148812540 is an abundant number, since it is smaller than the sum of its proper divisors (6057677860).

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

5148812540 is a wasteful number, since it uses less digits than its factorization.

5148812540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16814 (or 16812 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 5148812540 is about 71755.2265692193. The cubic root of 5148812540 is about 1726.7747654397.

The spelling of 5148812540 in words is "five billion, one hundred forty-eight million, eight hundred twelve thousand, five hundred forty".