26340694250 has 32 divisors (see below), whose sum is σ = 53102846160. Its totient is φ = 9725793600.

The previous prime is 26340694231. The next prime is 26340694277. The reversal of 26340694250 is 5249604362.

It can be written as a sum of positive squares in 8 ways, for example, as 1634827489 + 24705866761 = 40433^2 + 157181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26340694198 and 26340694207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4049165 + ... + 4055664.

Almost surely, 2^26340694250 is an apocalyptic number.

26340694250 is an abundant number, since it is smaller than the sum of its proper divisors (26762151910).

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

26340694250 is a wasteful number, since it uses less digits than its factorization.

26340694250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8104859 (or 8104849 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 26340694250 in words is "twenty-six billion, three hundred forty million, six hundred ninety-four thousand, two hundred fifty".