26404546416 has 20 divisors (see below), whose sum is σ = 68211745032. Its totient is φ = 8801515456.

The previous prime is 26404546403. The next prime is 26404546463. The reversal of 26404546416 is 61464540462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275047311 + ... + 275047406.

Almost surely, 2^26404546416 is an apocalyptic number.

It is an amenable number.

26404546416 is an abundant number, since it is smaller than the sum of its proper divisors (41807198616).

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

26404546416 is a wasteful number, since it uses less digits than its factorization.

26404546416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550094728 (or 550094722 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 26404546416 in words is "twenty-six billion, four hundred four million, five hundred forty-six thousand, four hundred sixteen".