26194428 has 84 divisors (see below), whose sum is σ = 74122888. Its totient is φ = 8048160.

The previous prime is 26194403. The next prime is 26194429. The reversal of 26194428 is 82449162.

It is a super-2 number, since 2×26194428² = 1372296116494368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26194392 and 26194401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26194429) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 37563 + ... + 38253.

Almost surely, 2^26194428 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 26194428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37061444).

26194428 is an abundant number, since it is smaller than the sum of its proper divisors (47928460).

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

26194428 is a wasteful number, since it uses less digits than its factorization.

26194428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 709 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 26194428 is about 5118.0492377467. The cubic root of 26194428 is about 296.9862252565.

The spelling of 26194428 in words is "twenty-six million, one hundred ninety-four thousand, four hundred twenty-eight".