26280274480 has 40 divisors (see below), whose sum is σ = 61938660672. Its totient is φ = 10368105984.

The previous prime is 26280274451. The next prime is 26280274511. The reversal of 26280274480 is 8447208262.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2244184 + ... + 2255863.

Almost surely, 2^26280274480 is an apocalyptic number.

26280274480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26280274480 is an abundant number, since it is smaller than the sum of its proper divisors (35658386192).

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

26280274480 is a wasteful number, since it uses less digits than its factorization.

26280274480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500133 (or 4500127 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 43.

The spelling of 26280274480 in words is "twenty-six billion, two hundred eighty million, two hundred seventy-four thousand, four hundred eighty".