26675915520 has 144 divisors (see below), whose sum is σ = 86397034752. Its totient is φ = 7013314560.

The previous prime is 26675915509. The next prime is 26675915521. The reversal of 26675915520 is 2551957662.

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 26675915520.

It is not an unprimeable number, because it can be changed into a prime (26675915521) by changing a digit.

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, 223719 + ... + 321561.

It is an arithmetic number, because the mean of its divisors is an integer number (599979408).

Almost surely, 2^26675915520 is an apocalyptic number.

26675915520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26675915520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43198517376).

26675915520 is an abundant number, since it is smaller than the sum of its proper divisors (59721119232).

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

26675915520 is an equidigital number, since it uses as much as digits as its factorization.

26675915520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97938 (or 97924 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 26675915520 in words is "twenty-six billion, six hundred seventy-five million, nine hundred fifteen thousand, five hundred twenty".