5385018240 has 256 divisors, whose sum is σ = 21796992000. Its totient is φ = 1230833664.

The previous prime is 5385018167. The next prime is 5385018241. The reversal of 5385018240 is 428105835.

It is a happy number.

5385018240 is a `hidden beast` number, since 5 + 38 + 501 + 82 + 40 = 666.

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 = 5385018195 and 5385018204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5385018241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98701 + ... + 143219.

It is an arithmetic number, because the mean of its divisors is an integer number (85144500).

Almost surely, 2^5385018240 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 5385018240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10898496000).

5385018240 is an abundant number, since it is smaller than the sum of its proper divisors (16411973760).

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

5385018240 is a wasteful number, since it uses less digits than its factorization.

5385018240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44554 (or 44536 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 5385018240 is about 73382.6835159358. The cubic root of 5385018240 is about 1752.7866611796.

The spelling of 5385018240 in words is "five billion, three hundred eighty-five million, eighteen thousand, two hundred forty".