27490554444 has 12 divisors (see below), whose sum is σ = 64144627064. Its totient is φ = 9163518144.

The previous prime is 27490554433. The next prime is 27490554457. The reversal of 27490554444 is 44445509472.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 27490554393 and 27490554402.

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, 1145439757 + ... + 1145439780.

Almost surely, 2^27490554444 is an apocalyptic number.

It is an amenable number.

27490554444 is an abundant number, since it is smaller than the sum of its proper divisors (36654072620).

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

27490554444 is a wasteful number, since it uses less digits than its factorization.

27490554444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290879544 (or 2290879542 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 27490554444 in words is "twenty-seven billion, four hundred ninety million, five hundred fifty-four thousand, four hundred forty-four".