2623311628 has 36 divisors (see below), whose sum is σ = 5343522912. Its totient is φ = 1123600800.

The previous prime is 2623311583. The next prime is 2623311661. The reversal of 2623311628 is 8261133262.

It is a junction number, because it is equal to n+sod(n) for n = 2623311593 and 2623311602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457950 + ... + 463642.

It is an arithmetic number, because the mean of its divisors is an integer number (148431192).

Almost surely, 2^2623311628 is an apocalyptic number.

2623311628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2623311628 is an abundant number, since it is smaller than the sum of its proper divisors (2720211284).

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

2623311628 is a wasteful number, since it uses less digits than its factorization.

2623311628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8062 (or 8053 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 2623311628 is about 51218.2743559367. The cubic root of 2623311628 is about 1379.1662729928.

The spelling of 2623311628 in words is "two billion, six hundred twenty-three million, three hundred eleven thousand, six hundred twenty-eight".