4540121304 has 16 divisors (see below), whose sum is σ = 11350303320. Its totient is φ = 1513373760.

The previous prime is 4540121291. The next prime is 4540121309. The reversal of 4540121304 is 4031210454.

It is a super-2 number, since 2×4540121304² = 41225402910069320832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 189171721 = 4540121304 / (4 + 5 + 4 + 0 + 1 + 2 + 1 + 3 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540121309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94585837 + ... + 94585884.

Almost surely, 2^4540121304 is an apocalyptic number.

It is an amenable number.

4540121304 is an abundant number, since it is smaller than the sum of its proper divisors (6810182016).

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

4540121304 is a wasteful number, since it uses less digits than its factorization.

4540121304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189171730 (or 189171726 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4540121304 is about 67380.4222604756. The cubic root of 4540121304 is about 1655.8556929259.

Adding to 4540121304 its reverse (4031210454), we get a palindrome (8571331758).

The spelling of 4540121304 in words is "four billion, five hundred forty million, one hundred twenty-one thousand, three hundred four".