26345740 has 24 divisors (see below), whose sum is σ = 56154672. Its totient is φ = 10380480.

The previous prime is 26345719. The next prime is 26345771. The reversal of 26345740 is 4754362.

It is a super-2 number, since 2×26345740² = 1388196032295200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8491 + ... + 11170.

It is an arithmetic number, because the mean of its divisors is an integer number (2339778).

Almost surely, 2^26345740 is an apocalyptic number.

26345740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26345740 is an abundant number, since it is smaller than the sum of its proper divisors (29808932).

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

26345740 is a wasteful number, since it uses less digits than its factorization.

26345740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19737 (or 19735 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 26345740 is about 5132.8101464987. The cubic root of 26345740 is about 297.5569742352.

The spelling of 26345740 in words is "twenty-six million, three hundred forty-five thousand, seven hundred forty".