26404972145 has 16 divisors (see below), whose sum is σ = 32844994560. Its totient is φ = 20356996800.

The previous prime is 26404972133. The next prime is 26404972177. The reversal of 26404972145 is 54127940462.

It is not a de Polignac number, because 26404972145 - 2⁶ = 26404972081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26404972096 and 26404972105.

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, 319346 + ... + 393435.

It is an arithmetic number, because the mean of its divisors is an integer number (2052812160).

Almost surely, 2^26404972145 is an apocalyptic number.

It is an amenable number.

26404972145 is a deficient number, since it is larger than the sum of its proper divisors (6440022415).

26404972145 is a wasteful number, since it uses less digits than its factorization.

26404972145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713056.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 26404972145 in words is "twenty-six billion, four hundred four million, nine hundred seventy-two thousand, one hundred forty-five".