2628148881 has 8 divisors (see below), whose sum is σ = 3710327904. Its totient is φ = 1649034560.

The previous prime is 2628148879. The next prime is 2628148903. The reversal of 2628148881 is 1888418262.

2628148881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2628148881 - 2¹ = 2628148879 is a prime.

It is a super-2 number, since 2×2628148881² = 13814333081403104322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2628148881.

It is not an unprimeable number, because it can be changed into a prime (2628148811) 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, 25766115 + ... + 25766216.

It is an arithmetic number, because the mean of its divisors is an integer number (463790988).

Almost surely, 2^2628148881 is an apocalyptic number.

It is an amenable number.

2628148881 is a deficient number, since it is larger than the sum of its proper divisors (1082179023).

2628148881 is a wasteful number, since it uses less digits than its factorization.

2628148881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51532351.

The product of its digits is 393216, while the sum is 48.

The square root of 2628148881 is about 51265.4745515927. The cubic root of 2628148881 is about 1380.0134566006.

The spelling of 2628148881 in words is "two billion, six hundred twenty-eight million, one hundred forty-eight thousand, eight hundred eighty-one".