27826774480 has 40 divisors (see below), whose sum is σ = 67510179072. Its totient is φ = 10646765184.

The previous prime is 27826774439. The next prime is 27826774511. The reversal of 27826774480 is 8447762872.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 7559784 + ... + 7563463.

Almost surely, 2^27826774480 is an apocalyptic number.

27826774480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27826774480 is an abundant number, since it is smaller than the sum of its proper divisors (39683404592).

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

27826774480 is a wasteful number, since it uses less digits than its factorization.

27826774480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15123283 (or 15123277 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 55.

The spelling of 27826774480 in words is "twenty-seven billion, eight hundred twenty-six million, seven hundred seventy-four thousand, four hundred eighty".