5398569540 has 384 divisors, whose sum is σ = 21021987840. Its totient is φ = 1119744000.

The previous prime is 5398569497. The next prime is 5398569551. The reversal of 5398569540 is 459658935.

It is a happy number.

5398569540 is a `hidden beast` number, since 5 + 3 + 98 + 5 + 6 + 9 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2996640 + ... + 2998440.

It is an arithmetic number, because the mean of its divisors is an integer number (54744760).

Almost surely, 2^5398569540 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 5398569540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10510993920).

5398569540 is an abundant number, since it is smaller than the sum of its proper divisors (15623418300).

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

5398569540 is a wasteful number, since it uses less digits than its factorization.

5398569540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900 (or 1892 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The square root of 5398569540 is about 73474.9585913459. The cubic root of 5398569540 is about 1754.2557147870.

The spelling of 5398569540 in words is "five billion, three hundred ninety-eight million, five hundred sixty-nine thousand, five hundred forty".