26021140 has 12 divisors (see below), whose sum is σ = 54644436. Its totient is φ = 10408448.

The previous prime is 26021137. The next prime is 26021147. The reversal of 26021140 is 4112062.

It can be written as a sum of positive squares in 2 ways, for example, as 12931216 + 13089924 = 3596^2 + 3618^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26021147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650509 + ... + 650548.

It is an arithmetic number, because the mean of its divisors is an integer number (4553703).

Almost surely, 2^26021140 is an apocalyptic number.

26021140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26021140 is an abundant number, since it is smaller than the sum of its proper divisors (28623296).

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

26021140 is a wasteful number, since it uses less digits than its factorization.

26021140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301066 (or 1301064 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 26021140 is about 5101.0920399460. The cubic root of 26021140 is about 296.3298763292.

The spelling of 26021140 in words is "twenty-six million, twenty-one thousand, one hundred forty".