2551640103430 has 64 divisors (see below), whose sum is σ = 5098713661440. Its totient is φ = 911568355200.

The previous prime is 2551640103413. The next prime is 2551640103433. The reversal of 2551640103430 is 343010461552.

It is a super-3 number, since 3×2551640103430³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551640103433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5403067 + ... + 5856313.

It is an arithmetic number, because the mean of its divisors is an integer number (79667400960).

Almost surely, 2^{2551640103430} is an apocalyptic number.

2551640103430 is a deficient number, since it is larger than the sum of its proper divisors (2547073558010).

2551640103430 is a wasteful number, since it uses less digits than its factorization.

2551640103430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454165.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 2551640103430 its reverse (343010461552), we get a palindrome (2894650564982).

The spelling of 2551640103430 in words is "two trillion, five hundred fifty-one billion, six hundred forty million, one hundred three thousand, four hundred thirty".