26446210140 has 192 divisors, whose sum is σ = 89716128768. Its totient is φ = 5682278400.

The previous prime is 26446210121. The next prime is 26446210151. The reversal of 26446210140 is 4101264462.

It is a happy number.

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 = 26446210098 and 26446210107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7573795 + ... + 7577285.

It is an arithmetic number, because the mean of its divisors is an integer number (467271504).

Almost surely, 2^26446210140 is an apocalyptic number.

26446210140 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 26446210140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44858064384).

26446210140 is an abundant number, since it is smaller than the sum of its proper divisors (63269918628).

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

26446210140 is a wasteful number, since it uses less digits than its factorization.

26446210140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588 (or 4586 counting only the distinct ones).

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

The spelling of 26446210140 in words is "twenty-six billion, four hundred forty-six million, two hundred ten thousand, one hundred forty".