5458400240 has 20 divisors (see below), whose sum is σ = 12690780744. Its totient is φ = 2183360064.

The previous prime is 5458400221. The next prime is 5458400293. The reversal of 5458400240 is 420048545.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 5458400197 and 5458400206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34114922 + ... + 34115081.

Almost surely, 2^5458400240 is an apocalyptic number.

It is an amenable number.

5458400240 is an abundant number, since it is smaller than the sum of its proper divisors (7232380504).

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

5458400240 is a wasteful number, since it uses less digits than its factorization.

5458400240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68230016 (or 68230010 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 5458400240 is about 73880.9869993627. The cubic root of 5458400240 is about 1760.7125472256.

Adding to 5458400240 its reverse (420048545), we get a palindrome (5878448785).

The spelling of 5458400240 in words is "five billion, four hundred fifty-eight million, four hundred thousand, two hundred forty".