26456340 has 24 divisors (see below), whose sum is σ = 74077920. Its totient is φ = 7055008.

The previous prime is 26456327. The next prime is 26456359. The reversal of 26456340 is 4365462.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 26456298 and 26456307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220410 + ... + 220529.

It is an arithmetic number, because the mean of its divisors is an integer number (3086580).

Almost surely, 2^26456340 is an apocalyptic number.

26456340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26456340 is an abundant number, since it is smaller than the sum of its proper divisors (47621580).

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

26456340 is a wasteful number, since it uses less digits than its factorization.

26456340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440951 (or 440949 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 26456340 is about 5143.5726883169. The cubic root of 26456340 is about 297.9727765171.

It can be divided in two parts, 26456 and 340, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 26456340 in words is "twenty-six million, four hundred fifty-six thousand, three hundred forty".