26045834490 has 96 divisors (see below), whose sum is σ = 73597764240. Its totient is φ = 6352432128.

The previous prime is 26045834461. The next prime is 26045834567. The reversal of 26045834490 is 9443854062.

26045834490 is a `hidden beast` number, since 2 + 60 + 4 + 583 + 4 + 4 + 9 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 10283785281 + 15762049209 = 101409^2 + 125547^2 .

It is a super-3 number, since 3×26045834490³ (a number of 32 digits) contains 333 as substring.

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 47 ways as a sum of consecutive naturals, for example, 25414 + ... + 229646.

Almost surely, 2^26045834490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26045834490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36798882120).

26045834490 is an abundant number, since it is smaller than the sum of its proper divisors (47551929750).

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

26045834490 is a wasteful number, since it uses less digits than its factorization.

26045834490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204368 (or 204365 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 26045834490 in words is "twenty-six billion, forty-five million, eight hundred thirty-four thousand, four hundred ninety".