26145256998 has 32 divisors (see below), whose sum is σ = 63275917824. Its totient is φ = 7030657152.

The previous prime is 26145256957. The next prime is 26145257003. The reversal of 26145256998 is 89965254162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18308290 + ... + 18309717.

It is an arithmetic number, because the mean of its divisors is an integer number (1977372432).

Almost surely, 2^26145256998 is an apocalyptic number.

26145256998 is an abundant number, since it is smaller than the sum of its proper divisors (37130660826).

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

26145256998 is a wasteful number, since it uses less digits than its factorization.

26145256998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36618036.

The product of its digits is 9331200, while the sum is 57.

The spelling of 26145256998 in words is "twenty-six billion, one hundred forty-five million, two hundred fifty-six thousand, nine hundred ninety-eight".