26455240 has 32 divisors (see below), whose sum is σ = 68028480. Its totient is φ = 9070272.

The previous prime is 26455229. The next prime is 26455249. The reversal of 26455240 is 4255462.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 26455199 and 26455208.

It is not an unprimeable number, because it can be changed into a prime (26455249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46962 + ... + 47521.

It is an arithmetic number, because the mean of its divisors is an integer number (2125890).

Almost surely, 2^26455240 is an apocalyptic number.

26455240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26455240 is an abundant number, since it is smaller than the sum of its proper divisors (41573240).

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

26455240 is a wasteful number, since it uses less digits than its factorization.

26455240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94501 (or 94497 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 26455240 is about 5143.4657576385. The cubic root of 26455240 is about 297.9686467622.

The spelling of 26455240 in words is "twenty-six million, four hundred fifty-five thousand, two hundred forty".