4542400540 has 48 divisors (see below), whose sum is σ = 9783244800. Its totient is φ = 1770773312.

The previous prime is 4542400531. The next prime is 4542400553. The reversal of 4542400540 is 450042454.

It is a super-3 number, since 3×4542400540³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4542400499 and 4542400508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214551 + ... + 234769.

It is an arithmetic number, because the mean of its divisors is an integer number (203817600).

Almost surely, 2^4542400540 is an apocalyptic number.

It is an amenable number.

4542400540 is an abundant number, since it is smaller than the sum of its proper divisors (5240844260).

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

4542400540 is a wasteful number, since it uses less digits than its factorization.

4542400540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20514 (or 20512 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 4542400540 is about 67397.3333300361. Note that the first 5 decimals coincide. The cubic root of 4542400540 is about 1656.1327379850.

Adding to 4542400540 its reverse (450042454), we get a palindrome (4992442994).

The spelling of 4542400540 in words is "four billion, five hundred forty-two million, four hundred thousand, five hundred forty".