4531090032 has 120 divisors (see below), whose sum is σ = 14517917024. Its totient is φ = 1292308992.

The previous prime is 4531090013. The next prime is 4531090033. The reversal of 4531090032 is 2300901354.

It is a super-2 number, since 2×4531090032² = 41061553756179522048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4531089978 and 4531090005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531090033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 614238 + ... + 621570.

Almost surely, 2^4531090032 is an apocalyptic number.

4531090032 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4531090032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7258958512).

4531090032 is an abundant number, since it is smaller than the sum of its proper divisors (9986826992).

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

4531090032 is a wasteful number, since it uses less digits than its factorization.

4531090032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7967 (or 7958 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 4531090032 is about 67313.3718662199. The cubic root of 4531090032 is about 1654.7570137633.

Adding to 4531090032 its reverse (2300901354), we get a palindrome (6831991386).

The spelling of 4531090032 in words is "four billion, five hundred thirty-one million, ninety thousand, thirty-two".