2533434440 has 32 divisors (see below), whose sum is σ = 5832794880. Its totient is φ = 989806272.

The previous prime is 2533434391. The next prime is 2533434443. The reversal of 2533434440 is 444343352.

It is a super-2 number, since 2×2533434440² = 12836580123556227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2533434397 and 2533434406.

It is not an unprimeable number, because it can be changed into a prime (2533434443) 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, 734744 + ... + 738183.

It is an arithmetic number, because the mean of its divisors is an integer number (182274840).

Almost surely, 2^2533434440 is an apocalyptic number.

2533434440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2533434440 is an abundant number, since it is smaller than the sum of its proper divisors (3299360440).

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

2533434440 is a wasteful number, since it uses less digits than its factorization.

2533434440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472981 (or 1472977 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

The square root of 2533434440 is about 50333.2339513368. The cubic root of 2533434440 is about 1363.2323705114.

Adding to 2533434440 its reverse (444343352), we get a palindrome (2977777792).

The spelling of 2533434440 in words is "two billion, five hundred thirty-three million, four hundred thirty-four thousand, four hundred forty".