26626639000 has 64 divisors (see below), whose sum is σ = 67099163040. Its totient is φ = 9831369600.

The previous prime is 26626638971. The next prime is 26626639003. The reversal of 26626639000 is 93662662.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26626639003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011102 + ... + 1037101.

Almost surely, 2^26626639000 is an apocalyptic number.

26626639000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26626639000 is an abundant number, since it is smaller than the sum of its proper divisors (40472524040).

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

26626639000 is a wasteful number, since it uses less digits than its factorization.

26626639000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048237 (or 2048223 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 26626639000 in words is "twenty-six billion, six hundred twenty-six million, six hundred thirty-nine thousand".