26628628 has 24 divisors (see below), whose sum is σ = 51806720. Its totient is φ = 11892960.

The previous prime is 26628617. The next prime is 26628629. The reversal of 26628628 is 82682662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26628629) 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, 6648 + ... + 9871.

Almost surely, 2^26628628 is an apocalyptic number.

It is an amenable number.

26628628 is a deficient number, since it is larger than the sum of its proper divisors (25178092).

26628628 is a wasteful number, since it uses less digits than its factorization.

26628628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16567 (or 16565 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 26628628 is about 5160.2934025111. The cubic root of 26628628 is about 298.6181932874.

The spelling of 26628628 in words is "twenty-six million, six hundred twenty-eight thousand, six hundred twenty-eight".