26245040 has 20 divisors (see below), whose sum is σ = 61019904. Its totient is φ = 10497984.

The previous prime is 26245013. The next prime is 26245057. The reversal of 26245040 is 4054262.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 26244997 and 26245015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163952 + ... + 164111.

Almost surely, 2^26245040 is an apocalyptic number.

26245040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26245040 is an abundant number, since it is smaller than the sum of its proper divisors (34774864).

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

26245040 is a wasteful number, since it uses less digits than its factorization.

26245040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328076 (or 328070 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 26245040 is about 5122.9913136760. The cubic root of 26245040 is about 297.1773778223.

The spelling of 26245040 in words is "twenty-six million, two hundred forty-five thousand, forty".