26578480 has 40 divisors (see below), whose sum is σ = 65433312. Its totient is φ = 10005504.

The previous prime is 26578441. The next prime is 26578499. The reversal of 26578480 is 8487562.

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

It is a super-2 number, since 2×26578480² = 1412831198220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8412 + ... + 11131.

Almost surely, 2^26578480 is an apocalyptic number.

26578480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26578480 is an abundant number, since it is smaller than the sum of its proper divisors (38854832).

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

26578480 is a wasteful number, since it uses less digits than its factorization.

26578480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19573 (or 19567 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 26578480 is about 5155.4320866441. The cubic root of 26578480 is about 298.4306192780.

The spelling of 26578480 in words is "twenty-six million, five hundred seventy-eight thousand, four hundred eighty".