26234636503140 has 192 divisors, whose sum is σ = 87943819219200. Its totient is φ = 6454334803968.

The previous prime is 26234636503139. The next prime is 26234636503171. The reversal of 26234636503140 is 4130563643262.

26234636503140 is a `hidden beast` number, since 2 + 6 + 2 + 3 + 4 + 636 + 5 + 0 + 3 + 1 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12271599 + ... + 14249961.

It is an arithmetic number, because the mean of its divisors is an integer number (458040725100).

Almost surely, 2^{26234636503140} is an apocalyptic number.

26234636503140 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 26234636503140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43971909609600).

26234636503140 is an abundant number, since it is smaller than the sum of its proper divisors (61709182716060).

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

26234636503140 is a wasteful number, since it uses less digits than its factorization.

26234636503140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980283 (or 1980275 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

The spelling of 26234636503140 in words is "twenty-six trillion, two hundred thirty-four billion, six hundred thirty-six million, five hundred three thousand, one hundred forty".