2542512240 has 100 divisors (see below), whose sum is σ = 8830544184. Its totient is φ = 678001536.

The previous prime is 2542512233. The next prime is 2542512251. The reversal of 2542512240 is 422152452.

It is a super-3 number, since 3×2542512240³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 189702 + ... + 202661.

Almost surely, 2^2542512240 is an apocalyptic number.

2542512240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2542512240 is an abundant number, since it is smaller than the sum of its proper divisors (6288031944).

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

2542512240 is a wasteful number, since it uses less digits than its factorization.

2542512240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392388 (or 392373 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2542512240 is about 50423.3303144487. The cubic root of 2542512240 is about 1364.8586739324.

Adding to 2542512240 its reverse (422152452), we get a palindrome (2964664692).

The spelling of 2542512240 in words is "two billion, five hundred forty-two million, five hundred twelve thousand, two hundred forty".