2023450640 has 40 divisors (see below), whose sum is σ = 4866753240. Its totient is φ = 781469696.

The previous prime is 2023450591. The next prime is 2023450651. The reversal of 2023450640 is 460543202.

It can be written as a sum of positive squares in 4 ways, for example, as 2408704 + 2021041936 = 1552^2 + 44956^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 433769 + ... + 438408.

It is an arithmetic number, because the mean of its divisors is an integer number (121668831).

Almost surely, 2^2023450640 is an apocalyptic number.

2023450640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023450640 is an abundant number, since it is smaller than the sum of its proper divisors (2843302600).

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

2023450640 is a wasteful number, since it uses less digits than its factorization.

2023450640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872219 (or 872213 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2023450640 is about 44982.7815947391. The cubic root of 2023450640 is about 1264.8262536920.

Adding to 2023450640 its reverse (460543202), we get a palindrome (2483993842).

The spelling of 2023450640 in words is "two billion, twenty-three million, four hundred fifty thousand, six hundred forty".