26021480 has 16 divisors (see below), whose sum is σ = 58548420. Its totient is φ = 10408576.

The previous prime is 26021477. The next prime is 26021491. The reversal of 26021480 is 8412062.

It can be written as a sum of positive squares in 2 ways, for example, as 24780484 + 1240996 = 4978^2 + 1114^2 .

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, 325229 + ... + 325308.

Almost surely, 2^26021480 is an apocalyptic number.

26021480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26021480 is an abundant number, since it is smaller than the sum of its proper divisors (32526940).

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

26021480 is a wasteful number, since it uses less digits than its factorization.

26021480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650548 (or 650544 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 26021480 is about 5101.1253660344. The cubic root of 26021480 is about 296.3311669685.

The spelling of 26021480 in words is "twenty-six million, twenty-one thousand, four hundred eighty".