2551541420 has 12 divisors (see below), whose sum is σ = 5358237024. Its totient is φ = 1020616560.

The previous prime is 2551541393. The next prime is 2551541431. The reversal of 2551541420 is 241451552.

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, 63788516 + ... + 63788555.

It is an arithmetic number, because the mean of its divisors is an integer number (446519752).

Almost surely, 2^2551541420 is an apocalyptic number.

2551541420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551541420 is an abundant number, since it is smaller than the sum of its proper divisors (2806695604).

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

2551541420 is a wasteful number, since it uses less digits than its factorization.

2551541420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127577080 (or 127577078 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2551541420 is about 50512.7847183265. The cubic root of 2551541420 is about 1366.4724315142.

Adding to 2551541420 its reverse (241451552), we get a palindrome (2792992972).

The spelling of 2551541420 in words is "two billion, five hundred fifty-one million, five hundred forty-one thousand, four hundred twenty".