4545554232120 has 128 divisors (see below), whose sum is σ = 15055592912640. Its totient is φ = 1088675978240.

The previous prime is 4545554232101. The next prime is 4545554232143. The reversal of 4545554232120 is 212324555454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20635029 + ... + 20854148.

It is an arithmetic number, because the mean of its divisors is an integer number (117621819630).

Almost surely, 2^{4545554232120} is an apocalyptic number.

4545554232120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4545554232120 is an abundant number, since it is smaller than the sum of its proper divisors (10510038680520).

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

4545554232120 is a wasteful number, since it uses less digits than its factorization.

4545554232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41489285 (or 41489281 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

Adding to 4545554232120 its reverse (212324555454), we get a palindrome (4757878787574).

The spelling of 4545554232120 in words is "four trillion, five hundred forty-five billion, five hundred fifty-four million, two hundred thirty-two thousand, one hundred twenty".