2533264240 has 40 divisors (see below), whose sum is σ = 6342906528. Its totient is φ = 935358720.

The previous prime is 2533264213. The next prime is 2533264247. The reversal of 2533264240 is 424623352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533264247) 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, 1216876 + ... + 1218955.

Almost surely, 2^2533264240 is an apocalyptic number.

2533264240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2533264240 is an abundant number, since it is smaller than the sum of its proper divisors (3809642288).

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

2533264240 is a wasteful number, since it uses less digits than its factorization.

2533264240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435857 (or 2435851 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 2533264240 is about 50331.5431911242. The cubic root of 2533264240 is about 1363.2018418159.

Adding to 2533264240 its reverse (424623352), we get a palindrome (2957887592).

The spelling of 2533264240 in words is "two billion, five hundred thirty-three million, two hundred sixty-four thousand, two hundred forty".