2523333440 has 56 divisors (see below), whose sum is σ = 6013060872. Its totient is φ = 1008599040.

The previous prime is 2523333433. The next prime is 2523333451. The reversal of 2523333440 is 443333252.

It can be written as a sum of positive squares in 4 ways, for example, as 4096576 + 2519236864 = 2024^2 + 50192^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728192 + ... + 731648.

It is an arithmetic number, because the mean of its divisors is an integer number (107376087).

Almost surely, 2^2523333440 is an apocalyptic number.

2523333440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2523333440 is an abundant number, since it is smaller than the sum of its proper divisors (3489727432).

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

2523333440 is a wasteful number, since it uses less digits than its factorization.

2523333440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755 (or 5745 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 29.

The square root of 2523333440 is about 50232.7924766283. The cubic root of 2523333440 is about 1361.4181861375.

Adding to 2523333440 its reverse (443333252), we get a palindrome (2966666692).

The spelling of 2523333440 in words is "two billion, five hundred twenty-three million, three hundred thirty-three thousand, four hundred forty".