26429740 has 12 divisors (see below), whose sum is σ = 55502496. Its totient is φ = 10571888.

The previous prime is 26429731. The next prime is 26429743. The reversal of 26429740 is 4792462.

It is a junction number, because it is equal to n+sod(n) for n = 26429696 and 26429705.

It is not an unprimeable number, because it can be changed into a prime (26429743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660724 + ... + 660763.

It is an arithmetic number, because the mean of its divisors is an integer number (4625208).

Almost surely, 2^26429740 is an apocalyptic number.

26429740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26429740 is an abundant number, since it is smaller than the sum of its proper divisors (29072756).

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

26429740 is a wasteful number, since it uses less digits than its factorization.

26429740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321496 (or 1321494 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 26429740 is about 5140.9862866964. The cubic root of 26429740 is about 297.8728794324.

The spelling of 26429740 in words is "twenty-six million, four hundred twenty-nine thousand, seven hundred forty".