26770261584 has 160 divisors (see below), whose sum is σ = 80309145600. Its totient is φ = 7598638080.

The previous prime is 26770261579. The next prime is 26770261613. The reversal of 26770261584 is 48516207762.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877857 + ... + 907839.

It is an arithmetic number, because the mean of its divisors is an integer number (501932160).

Almost surely, 2^26770261584 is an apocalyptic number.

26770261584 is a gapful number since it is divisible by the number (24) 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 26770261584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40154572800).

26770261584 is an abundant number, since it is smaller than the sum of its proper divisors (53538884016).

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

26770261584 is a wasteful number, since it uses less digits than its factorization.

26770261584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30113 (or 30107 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 26770261584 in words is "twenty-six billion, seven hundred seventy million, two hundred sixty-one thousand, five hundred eighty-four".