26526540 has 24 divisors (see below), whose sum is σ = 74274480. Its totient is φ = 7073728.

The previous prime is 26526529. The next prime is 26526569. The reversal of 26526540 is 4562562.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 26526498 and 26526507.

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, 220995 + ... + 221114.

It is an arithmetic number, because the mean of its divisors is an integer number (3094770).

Almost surely, 2^26526540 is an apocalyptic number.

26526540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26526540 is an abundant number, since it is smaller than the sum of its proper divisors (47747940).

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

26526540 is a wasteful number, since it uses less digits than its factorization.

26526540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442121 (or 442119 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 26526540 is about 5150.3922180743. The cubic root of 26526540 is about 298.2360935511.

The spelling of 26526540 in words is "twenty-six million, five hundred twenty-six thousand, five hundred forty".