26504435934 has 48 divisors (see below), whose sum is σ = 57596613984. Its totient is φ = 8808652800.

The previous prime is 26504435887. The next prime is 26504435953. The reversal of 26504435934 is 43953440562.

26504435934 is a `hidden beast` number, since 2 + 6 + 50 + 4 + 4 + 3 + 593 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 26504435934.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12263814 + ... + 12265974.

It is an arithmetic number, because the mean of its divisors is an integer number (1199929458).

Almost surely, 2^26504435934 is an apocalyptic number.

26504435934 is an abundant number, since it is smaller than the sum of its proper divisors (31092178050).

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

26504435934 is a wasteful number, since it uses less digits than its factorization.

26504435934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873 (or 3870 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 26504435934 in words is "twenty-six billion, five hundred four million, four hundred thirty-five thousand, nine hundred thirty-four".