26873531015428 has 24 divisors (see below), whose sum is σ = 49797971256600. Its totient is φ = 12645631262208.

The previous prime is 26873531015413. The next prime is 26873531015501. The reversal of 26873531015428 is 82451013537862.

It can be written as a sum of positive squares in 4 ways, for example, as 18517685155524 + 8355845859904 = 4303218^2 + 2890648^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10326843 + ... + 12664546.

It is an arithmetic number, because the mean of its divisors is an integer number (2074915469025).

Almost surely, 2^{26873531015428} is an apocalyptic number.

It is an amenable number.

26873531015428 is a deficient number, since it is larger than the sum of its proper divisors (22924440241172).

26873531015428 is a wasteful number, since it uses less digits than its factorization.

26873531015428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23008599 (or 23008597 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 26873531015428 in words is "twenty-six trillion, eight hundred seventy-three billion, five hundred thirty-one million, fifteen thousand, four hundred twenty-eight".