2661110428 has 24 divisors (see below), whose sum is σ = 4706745120. Its totient is φ = 1316347200.

The previous prime is 2661110423. The next prime is 2661110447. The reversal of 2661110428 is 8240111662.

It is a self number, because there is not a number n which added to its sum of digits gives 2661110428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661110423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915225 + ... + 918127.

It is an arithmetic number, because the mean of its divisors is an integer number (196114380).

Almost surely, 2^2661110428 is an apocalyptic number.

It is an amenable number.

2661110428 is a deficient number, since it is larger than the sum of its proper divisors (2045634692).

2661110428 is a wasteful number, since it uses less digits than its factorization.

2661110428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277 (or 5275 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2661110428 is about 51585.9518473780. The cubic root of 2661110428 is about 1385.7587588296.

The spelling of 2661110428 in words is "two billion, six hundred sixty-one million, one hundred ten thousand, four hundred twenty-eight".