26756623920 has 80 divisors (see below), whose sum is σ = 89325970272. Its totient is φ = 6586245120.

The previous prime is 26756623877. The next prime is 26756623987. The reversal of 26756623920 is 2932665762.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 26756623920.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4284801 + ... + 4291040.

Almost surely, 2^26756623920 is an apocalyptic number.

26756623920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26756623920 is an abundant number, since it is smaller than the sum of its proper divisors (62569346352).

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

26756623920 is a wasteful number, since it uses less digits than its factorization.

26756623920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575870 (or 8575864 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 26756623920 in words is "twenty-six billion, seven hundred fifty-six million, six hundred twenty-three thousand, nine hundred twenty".