2551540432 has 40 divisors (see below), whose sum is σ = 5745614400. Its totient is φ = 1074980352.

The previous prime is 2551540429. The next prime is 2551540447. The reversal of 2551540432 is 2340451552.

It is a super-2 number, since 2×2551540432² = 13020717152261493248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2551540394 and 2551540403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186457 + ... + 199672.

It is an arithmetic number, because the mean of its divisors is an integer number (143640360).

Almost surely, 2^2551540432 is an apocalyptic number.

It is an amenable number.

2551540432 is an abundant number, since it is smaller than the sum of its proper divisors (3194073968).

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

2551540432 is a wasteful number, since it uses less digits than its factorization.

2551540432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386203 (or 386197 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2551540432 is about 50512.7749386232. The cubic root of 2551540432 is about 1366.4722551405.

Adding to 2551540432 its reverse (2340451552), we get a palindrome (4891991984).

The spelling of 2551540432 in words is "two billion, five hundred fifty-one million, five hundred forty thousand, four hundred thirty-two".