4540512120 has 64 divisors (see below), whose sum is σ = 13878565920. Its totient is φ = 1187956224.

The previous prime is 4540512103. The next prime is 4540512121. The reversal of 4540512120 is 212150454.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540512121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350599 + ... + 363318.

Almost surely, 2^4540512120 is an apocalyptic number.

4540512120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4540512120 is an abundant number, since it is smaller than the sum of its proper divisors (9338053800).

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

4540512120 is a wasteful number, since it uses less digits than its factorization.

4540512120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713984 (or 713980 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4540512120 is about 67383.3222689413. The cubic root of 4540512120 is about 1655.9032038687.

Adding to 4540512120 its reverse (212150454), we get a palindrome (4752662574).

The spelling of 4540512120 in words is "four billion, five hundred forty million, five hundred twelve thousand, one hundred twenty".