26650920 has 64 divisors (see below), whose sum is σ = 84168000. Its totient is φ = 6732288.

The previous prime is 26650919. The next prime is 26650931. The reversal of 26650920 is 2905662.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3565 + ... + 8124.

It is an arithmetic number, because the mean of its divisors is an integer number (1315125).

Almost surely, 2^26650920 is an apocalyptic number.

26650920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26650920 is an abundant number, since it is smaller than the sum of its proper divisors (57517080).

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

26650920 is a wasteful number, since it uses less digits than its factorization.

26650920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11722 (or 11718 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 26650920 is about 5162.4529053542. The cubic root of 26650920 is about 298.7014988694.

The spelling of 26650920 in words is "twenty-six million, six hundred fifty thousand, nine hundred twenty".