4555123520 has 28 divisors (see below), whose sum is σ = 10846888644. Its totient is φ = 1822049280.

The previous prime is 4555123513. The next prime is 4555123523. The reversal of 4555123520 is 253215554.

It can be written as a sum of positive squares in 2 ways, for example, as 3397490944 + 1157632576 = 58288^2 + 34024^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4555123523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7117061 + ... + 7117700.

Almost surely, 2^4555123520 is an apocalyptic number.

4555123520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4555123520 is an abundant number, since it is smaller than the sum of its proper divisors (6291765124).

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

4555123520 is a wasteful number, since it uses less digits than its factorization.

4555123520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14234778 (or 14234768 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 4555123520 is about 67491.6551878823. The cubic root of 4555123520 is about 1657.6775380141.

The spelling of 4555123520 in words is "four billion, five hundred fifty-five million, one hundred twenty-three thousand, five hundred twenty".