26234010840 has 128 divisors (see below), whose sum is σ = 81663744960. Its totient is φ = 6736379904.

The previous prime is 26234010839. The next prime is 26234010857. The reversal of 26234010840 is 4801043262.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 26234010798 and 26234010807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400224 + ... + 461136.

Almost surely, 2^26234010840 is an apocalyptic number.

26234010840 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 26234010840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40831872480).

26234010840 is an abundant number, since it is smaller than the sum of its proper divisors (55429734120).

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

26234010840 is a wasteful number, since it uses less digits than its factorization.

26234010840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61061 (or 61057 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 26234010840 in words is "twenty-six billion, two hundred thirty-four million, ten thousand, eight hundred forty".