26088602840 has 128 divisors (see below), whose sum is σ = 64973145600. Its totient is φ = 9383362560.

The previous prime is 26088602819. The next prime is 26088602861. The reversal of 26088602840 is 4820688062.

It is an interprime number because it is at equal distance from previous prime (26088602819) and next prime (26088602861).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 26088602791 and 26088602800.

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, 2284184 + ... + 2295576.

It is an arithmetic number, because the mean of its divisors is an integer number (507602700).

Almost surely, 2^26088602840 is an apocalyptic number.

26088602840 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 26088602840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32486572800).

26088602840 is an abundant number, since it is smaller than the sum of its proper divisors (38884542760).

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

26088602840 is a wasteful number, since it uses less digits than its factorization.

26088602840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11577 (or 11573 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 26088602840 in words is "twenty-six billion, eighty-eight million, six hundred two thousand, eight hundred forty".