4531728990 has 16 divisors (see below), whose sum is σ = 10876149648. Its totient is φ = 1208461056.

The previous prime is 4531728989. The next prime is 4531728997. The reversal of 4531728990 is 998271354.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531728997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75528787 + ... + 75528846.

It is an arithmetic number, because the mean of its divisors is an integer number (679759353).

Almost surely, 2^4531728990 is an apocalyptic number.

4531728990 is an abundant number, since it is smaller than the sum of its proper divisors (6344420658).

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

4531728990 is a wasteful number, since it uses less digits than its factorization.

4531728990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151057643.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 4531728990 is about 67318.1178435642. The cubic root of 4531728990 is about 1654.8347927325.

The spelling of 4531728990 in words is "four billion, five hundred thirty-one million, seven hundred twenty-eight thousand, nine hundred ninety".