26292838464 has 70 divisors (see below), whose sum is σ = 77940225374. Its totient is φ = 8764277760.

The previous prime is 26292838459. The next prime is 26292838477. The reversal of 26292838464 is 46483829262.

26292838464 is a `hidden beast` number, since 2 + 62 + 92 + 8 + 38 + 464 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17531878464 + 8760960000 = 132408^2 + 93600^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 26292838464.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2530777 + ... + 2541144.

Almost surely, 2^26292838464 is an apocalyptic number.

26292838464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26292838464 is an abundant number, since it is smaller than the sum of its proper divisors (51647386910).

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

26292838464 is an equidigital number, since it uses as much as digits as its factorization.

26292838464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071945 (or 5071926 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The spelling of 26292838464 in words is "twenty-six billion, two hundred ninety-two million, eight hundred thirty-eight thousand, four hundred sixty-four".