26555040 has 144 divisors (see below), whose sum is σ = 94112928. Its totient is φ = 7070976.

The previous prime is 26554973. The next prime is 26555057. The reversal of 26555040 is 4055562.

26555040 is a `hidden beast` number, since 2 + 655 + 5 + 0 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 26554995 and 26555013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38539 + ... + 39221.

It is an arithmetic number, because the mean of its divisors is an integer number (653562).

Almost surely, 2^26555040 is an apocalyptic number.

26555040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26555040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47056464).

26555040 is an abundant number, since it is smaller than the sum of its proper divisors (67557888).

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

26555040 is an equidigital number, since it uses as much as digits as its factorization.

26555040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 26555040 is about 5153.1582548957. The cubic root of 26555040 is about 298.3428631795.

The spelling of 26555040 in words is "twenty-six million, five hundred fifty-five thousand, forty".