5181195240 has 192 divisors, whose sum is σ = 18702014400. Its totient is φ = 1275326208.

The previous prime is 5181195193. The next prime is 5181195269. The reversal of 5181195240 is 425911815.

5181195240 is a `hidden beast` number, since 5 + 18 + 119 + 524 + 0 = 666.

It is a super-2 number, since 2×5181195240² = 53689568229997315200, which contains 22 as substring.

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 = 5181195195 and 5181195204.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168327 + ... + 196713.

It is an arithmetic number, because the mean of its divisors is an integer number (97406325).

Almost surely, 2^5181195240 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 5181195240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9351007200).

5181195240 is an abundant number, since it is smaller than the sum of its proper divisors (13520819160).

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

5181195240 is a wasteful number, since it uses less digits than its factorization.

5181195240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28433 (or 28410 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 5181195240 is about 71980.5198647523. The cubic root of 5181195240 is about 1730.3873012162.

The spelling of 5181195240 in words is "five billion, one hundred eighty-one million, one hundred ninety-five thousand, two hundred forty".