26456940 has 36 divisors (see below), whose sum is σ = 80253264. Its totient is φ = 7055136.

The previous prime is 26456929. The next prime is 26456959. The reversal of 26456940 is 4965462.

26456940 is a `hidden beast` number, since 2 + 645 + 6 + 9 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 26456895 and 26456904.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73312 + ... + 73671.

Almost surely, 2^26456940 is an apocalyptic number.

26456940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26456940 is an abundant number, since it is smaller than the sum of its proper divisors (53796324).

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

26456940 is a wasteful number, since it uses less digits than its factorization.

26456940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146998 (or 146993 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 26456940 is about 5143.6310132046. The cubic root of 26456940 is about 297.9750290624.

The spelling of 26456940 in words is "twenty-six million, four hundred fifty-six thousand, nine hundred forty".