26628379268 has 24 divisors (see below), whose sum is σ = 47201172480. Its totient is φ = 13142413440.

The previous prime is 26628379231. The next prime is 26628379273. The reversal of 26628379268 is 86297382662.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1737005 + ... + 1752267.

It is an arithmetic number, because the mean of its divisors is an integer number (1966715520).

Almost surely, 2^26628379268 is an apocalyptic number.

It is an amenable number.

26628379268 is a deficient number, since it is larger than the sum of its proper divisors (20572793212).

26628379268 is a wasteful number, since it uses less digits than its factorization.

26628379268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20867 (or 20865 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 59.

The spelling of 26628379268 in words is "twenty-six billion, six hundred twenty-eight million, three hundred seventy-nine thousand, two hundred sixty-eight".