26252057407 has 8 divisors (see below), whose sum is σ = 27851566176. Its totient is φ = 24658689792.

The previous prime is 26252057387. The next prime is 26252057431. The reversal of 26252057407 is 70475025262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26252057407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26252057407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26252057437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1526478 + ... + 1543579.

It is an arithmetic number, because the mean of its divisors is an integer number (3481445772).

Almost surely, 2^26252057407 is an apocalyptic number.

26252057407 is a deficient number, since it is larger than the sum of its proper divisors (1599508769).

26252057407 is a wasteful number, since it uses less digits than its factorization.

26252057407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070577.

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 26252057407 in words is "twenty-six billion, two hundred fifty-two million, fifty-seven thousand, four hundred seven".