2023415440 has 20 divisors (see below), whose sum is σ = 4704441084. Its totient is φ = 809366144.

The previous prime is 2023415399. The next prime is 2023415453. The reversal of 2023415440 is 445143202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 457788816 + 1565626624 = 21396^2 + 39568^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12646267 + ... + 12646426.

Almost surely, 2^2023415440 is an apocalyptic number.

2023415440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023415440 is an abundant number, since it is smaller than the sum of its proper divisors (2681025644).

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

2023415440 is a wasteful number, since it uses less digits than its factorization.

2023415440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25292706 (or 25292700 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2023415440 is about 44982.3903322178. The cubic root of 2023415440 is about 1264.8189193326.

Adding to 2023415440 its reverse (445143202), we get a palindrome (2468558642).

The spelling of 2023415440 in words is "two billion, twenty-three million, four hundred fifteen thousand, four hundred forty".