5386112640 has 144 divisors (see below), whose sum is σ = 18618173730. Its totient is φ = 1434811392.

The previous prime is 5386112597. The next prime is 5386112657. The reversal of 5386112640 is 462116835.

It is a happy number.

5386112640 is a `hidden beast` number, since 5 + 3 + 8 + 6 + 1 + 1 + 2 + 640 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4847501376 + 538611264 = 69624^2 + 23208^2 .

It is a tau number, because it is divible by the number of its divisors (144).

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 = 5386112595 and 5386112604.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5569437 + ... + 5570403.

Almost surely, 2^5386112640 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 5386112640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9309086865).

5386112640 is an abundant number, since it is smaller than the sum of its proper divisors (13232061090).

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

5386112640 is an frugal number, since it uses more digits than its factorization.

5386112640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 5386112640 is about 73390.1399371877. The cubic root of 5386112640 is about 1752.9053930453.

The spelling of 5386112640 in words is "five billion, three hundred eighty-six million, one hundred twelve thousand, six hundred forty".