26270235264 has 256 divisors, whose sum is σ = 88657551360. Its totient is φ = 6704640000.

The previous prime is 26270235263. The next prime is 26270235317. The reversal of 26270235264 is 46253207262.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (26270235263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1071139 + ... + 1095389.

It is an arithmetic number, because the mean of its divisors is an integer number (346318560).

Almost surely, 2^26270235264 is an apocalyptic number.

26270235264 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 26270235264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44328775680).

26270235264 is an abundant number, since it is smaller than the sum of its proper divisors (62387316096).

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

26270235264 is a wasteful number, since it uses less digits than its factorization.

26270235264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24319 (or 24307 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 26270235264 in words is "twenty-six billion, two hundred seventy million, two hundred thirty-five thousand, two hundred sixty-four".