26434740 has 24 divisors (see below), whose sum is σ = 74017440. Its totient is φ = 7049248.

The previous prime is 26434739. The next prime is 26434781. The reversal of 26434740 is 4743462.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 26434698 and 26434707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220230 + ... + 220349.

It is an arithmetic number, because the mean of its divisors is an integer number (3084060).

Almost surely, 2^26434740 is an apocalyptic number.

26434740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26434740 is an abundant number, since it is smaller than the sum of its proper divisors (47582700).

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

26434740 is a wasteful number, since it uses less digits than its factorization.

26434740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440591 (or 440589 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 26434740 is about 5141.4725517112. The cubic root of 26434740 is about 297.8916621936.

The spelling of 26434740 in words is "twenty-six million, four hundred thirty-four thousand, seven hundred forty".