26153540 has 48 divisors (see below), whose sum is σ = 63504000. Its totient is φ = 8861952.

The previous prime is 26153537. The next prime is 26153591. The reversal of 26153540 is 4535162.

26153540 is nontrivially palindromic in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11411 + ... + 13509.

It is an arithmetic number, because the mean of its divisors is an integer number (1323000).

Almost surely, 2^26153540 is an apocalyptic number.

26153540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26153540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31752000).

26153540 is an abundant number, since it is smaller than the sum of its proper divisors (37350460).

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

26153540 is a wasteful number, since it uses less digits than its factorization.

26153540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 26153540 is about 5114.0531870523. The cubic root of 26153540 is about 296.8316186288.

The spelling of 26153540 in words is "twenty-six million, one hundred fifty-three thousand, five hundred forty".