26455830 has 64 divisors (see below), whose sum is σ = 67184640. Its totient is φ = 6656384.

The previous prime is 26455823. The next prime is 26455831. The reversal of 26455830 is 3855462.

It is a junction number, because it is equal to n+sod(n) for n = 26455791 and 26455800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26455831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40567 + ... + 41213.

It is an arithmetic number, because the mean of its divisors is an integer number (1049760).

Almost surely, 2^26455830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26455830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33592320).

26455830 is an abundant number, since it is smaller than the sum of its proper divisors (40728810).

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

26455830 is a wasteful number, since it uses less digits than its factorization.

26455830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 26455830 is about 5143.5231116424. The cubic root of 26455830 is about 297.9708618268.

The spelling of 26455830 in words is "twenty-six million, four hundred fifty-five thousand, eight hundred thirty".