4545020412 has 36 divisors (see below), whose sum is σ = 11650622256. Its totient is φ = 1493667840.

The previous prime is 4545020399. The next prime is 4545020413. The reversal of 4545020412 is 2140205454.

4545020412 is a `hidden beast` number, since 4 + 5 + 450 + 204 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545020413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 886533 + ... + 891644.

It is an arithmetic number, because the mean of its divisors is an integer number (323628396).

Almost surely, 2^4545020412 is an apocalyptic number.

It is an amenable number.

4545020412 is an abundant number, since it is smaller than the sum of its proper divisors (7105601844).

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

4545020412 is a wasteful number, since it uses less digits than its factorization.

4545020412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778258 (or 1778253 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 4545020412 is about 67416.7665495758. The cubic root of 4545020412 is about 1656.4510734744.

Adding to 4545020412 its reverse (2140205454), we get a palindrome (6685225866).

The spelling of 4545020412 in words is "four billion, five hundred forty-five million, twenty thousand, four hundred twelve".