26540144 has 10 divisors (see below), whose sum is σ = 51421560. Its totient is φ = 13270064.

The previous prime is 26540117. The next prime is 26540177. The reversal of 26540144 is 44104562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829364 + ... + 829395.

It is an arithmetic number, because the mean of its divisors is an integer number (5142156).

Almost surely, 2^26540144 is an apocalyptic number.

It is an amenable number.

26540144 is a deficient number, since it is larger than the sum of its proper divisors (24881416).

26540144 is a wasteful number, since it uses less digits than its factorization.

26540144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658767 (or 1658761 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 26540144 is about 5151.7127249100. The cubic root of 26540144 is about 298.2870677885.

The spelling of 26540144 in words is "twenty-six million, five hundred forty thousand, one hundred forty-four".