26042446487 has 4 divisors (see below), whose sum is σ = 26165870616. Its totient is φ = 25919022360.

The previous prime is 26042446481. The next prime is 26042446499. The reversal of 26042446487 is 78464424062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26042446487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26042446481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61711748 + ... + 61712169.

It is an arithmetic number, because the mean of its divisors is an integer number (6541467654).

Almost surely, 2^26042446487 is an apocalyptic number.

26042446487 is a deficient number, since it is larger than the sum of its proper divisors (123424129).

26042446487 is a wasteful number, since it uses less digits than its factorization.

26042446487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123424128.

The product of its (nonzero) digits is 2064384, while the sum is 47.

The spelling of 26042446487 in words is "twenty-six billion, forty-two million, four hundred forty-six thousand, four hundred eighty-seven".