26432540 has 12 divisors (see below), whose sum is σ = 55508376. Its totient is φ = 10573008.

The previous prime is 26432521. The next prime is 26432551. The reversal of 26432540 is 4523462.

It is a congruent number.

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, 660794 + ... + 660833.

It is an arithmetic number, because the mean of its divisors is an integer number (4625698).

Almost surely, 2^26432540 is an apocalyptic number.

26432540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26432540 is an abundant number, since it is smaller than the sum of its proper divisors (29075836).

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

26432540 is a wasteful number, since it uses less digits than its factorization.

26432540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321636 (or 1321634 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 26432540 is about 5141.2586007708. The cubic root of 26432540 is about 297.8833980705.

The spelling of 26432540 in words is "twenty-six million, four hundred thirty-two thousand, five hundred forty".