26693140 has 24 divisors (see below), whose sum is σ = 56419272. Its totient is φ = 10608000.

The previous prime is 26693129. The next prime is 26693159. The reversal of 26693140 is 4139662.

It can be written as a sum of positive squares in 4 ways, for example, as 26244 + 26666896 = 162^2 + 5164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111 + ... + 7390.

It is an arithmetic number, because the mean of its divisors is an integer number (2350803).

Almost surely, 2^26693140 is an apocalyptic number.

26693140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26693140 is an abundant number, since it is smaller than the sum of its proper divisors (29726132).

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

26693140 is a wasteful number, since it uses less digits than its factorization.

26693140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8667 (or 8665 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 26693140 is about 5166.5404285653. The cubic root of 26693140 is about 298.8591485072.

The spelling of 26693140 in words is "twenty-six million, six hundred ninety-three thousand, one hundred forty".