5191889040 has 480 divisors, whose sum is σ = 19586496384. Its totient is φ = 1224253440.

The previous prime is 5191889039. The next prime is 5191889069. The reversal of 5191889040 is 409881915.

5191889040 is a `hidden beast` number, since 519 + 1 + 8 + 8 + 90 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31851999 + ... + 31852161.

Almost surely, 2^5191889040 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 5191889040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9793248192).

5191889040 is an abundant number, since it is smaller than the sum of its proper divisors (14394607344).

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

5191889040 is a wasteful number, since it uses less digits than its factorization.

5191889040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 5191889040 is about 72054.7641728151. The cubic root of 5191889040 is about 1731.5769687625.

The spelling of 5191889040 in words is "five billion, one hundred ninety-one million, eight hundred eighty-nine thousand, forty".