2551214441420 has 48 divisors (see below), whose sum is σ = 5536105988448. Its totient is φ = 986813591040.

The previous prime is 2551214441389. The next prime is 2551214441423. The reversal of 2551214441420 is 241444121552.

It is a happy number.

It is a super-2 number, since 2×2551214441420² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2551214441423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10454801 + ... + 10696040.

It is an arithmetic number, because the mean of its divisors is an integer number (115335541426).

Almost surely, 2^{2551214441420} is an apocalyptic number.

2551214441420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551214441420 is an abundant number, since it is smaller than the sum of its proper divisors (2984891547028).

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

2551214441420 is a wasteful number, since it uses less digits than its factorization.

2551214441420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21151050 (or 21151048 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

Adding to 2551214441420 its reverse (241444121552), we get a palindrome (2792658562972).

The spelling of 2551214441420 in words is "two trillion, five hundred fifty-one billion, two hundred fourteen million, four hundred forty-one thousand, four hundred twenty".