2535404240 has 20 divisors (see below), whose sum is σ = 5894815044. Its totient is φ = 1014161664.

The previous prime is 2535404239. The next prime is 2535404279. The reversal of 2535404240 is 424045352.

2535404240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 440328256 + 2095075984 = 20984^2 + 45772^2 .

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

It is a congruent number.

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, 15846197 + ... + 15846356.

Almost surely, 2^2535404240 is an apocalyptic number.

2535404240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2535404240 is an abundant number, since it is smaller than the sum of its proper divisors (3359410804).

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

2535404240 is a wasteful number, since it uses less digits than its factorization.

2535404240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31692566 (or 31692560 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2535404240 is about 50352.7977375637. The cubic root of 2535404240 is about 1363.5855931858.

Adding to 2535404240 its reverse (424045352), we get a palindrome (2959449592).

The spelling of 2535404240 in words is "two billion, five hundred thirty-five million, four hundred four thousand, two hundred forty".