26990480 has 40 divisors (see below), whose sum is σ = 68459904. Its totient is φ = 9814400.

The previous prime is 26990459. The next prime is 26990531. The reversal of 26990480 is 8409962.

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

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, 14456 + ... + 16215.

Almost surely, 2^26990480 is an apocalyptic number.

26990480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26990480 is an abundant number, since it is smaller than the sum of its proper divisors (41469424).

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

26990480 is a wasteful number, since it uses less digits than its factorization.

26990480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30695 (or 30689 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 26990480 is about 5195.2362795161. The cubic root of 26990480 is about 299.9647365959.

The spelling of 26990480 in words is "twenty-six million, nine hundred ninety thousand, four hundred eighty".