2603960891228 has 24 divisors (see below), whose sum is σ = 4586335387200. Its totient is φ = 1293605731008.

The previous prime is 2603960891227. The next prime is 2603960891239. The reversal of 2603960891228 is 8221980693062.

It is a super-2 number, since 2×2603960891228² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2603960891227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2902163 + ... + 3691946.

It is an arithmetic number, because the mean of its divisors is an integer number (191097307800).

Almost surely, 2^{2603960891228} is an apocalyptic number.

It is an amenable number.

2603960891228 is a deficient number, since it is larger than the sum of its proper divisors (1982374495972).

2603960891228 is a wasteful number, since it uses less digits than its factorization.

2603960891228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594749 (or 6594747 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 2603960891228 in words is "two trillion, six hundred three billion, nine hundred sixty million, eight hundred ninety-one thousand, two hundred twenty-eight".