26260428 has 48 divisors (see below), whose sum is σ = 64512000. Its totient is φ = 8301888.

The previous prime is 26260397. The next prime is 26260447. The reversal of 26260428 is 82406262.

It is a super-2 number, since 2×26260428² = 1379220157486368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26260395 and 26260404.

It is a congruent number.

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, 19893 + ... + 21171.

It is an arithmetic number, because the mean of its divisors is an integer number (1344000).

Almost surely, 2^26260428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26260428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32256000).

26260428 is an abundant number, since it is smaller than the sum of its proper divisors (38251572).

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

26260428 is a wasteful number, since it uses less digits than its factorization.

26260428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 26260428 is about 5124.4929505269. The cubic root of 26260428 is about 297.2354468522.

The spelling of 26260428 in words is "twenty-six million, two hundred sixty thousand, four hundred twenty-eight".