26142880 has 24 divisors (see below), whose sum is σ = 61762932. Its totient is φ = 10457088.

The previous prime is 26142877. The next prime is 26142901. The reversal of 26142880 is 8824162.

It can be written as a sum of positive squares in 2 ways, for example, as 22771984 + 3370896 = 4772^2 + 1836^2 .

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 3 ways as a sum of consecutive naturals, for example, 81537 + ... + 81856.

Almost surely, 2^26142880 is an apocalyptic number.

26142880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26142880 is an abundant number, since it is smaller than the sum of its proper divisors (35620052).

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

26142880 is a wasteful number, since it uses less digits than its factorization.

26142880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163408 (or 163400 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 26142880 is about 5113.0108546726. The cubic root of 26142880 is about 296.7912843177.

The spelling of 26142880 in words is "twenty-six million, one hundred forty-two thousand, eight hundred eighty".