27490554442 has 16 divisors (see below), whose sum is σ = 44416905120. Its totient is φ = 12685352112.

The previous prime is 27490554433. The next prime is 27490554457. The reversal of 27490554442 is 24445509472.

It is a junction number, because it is equal to n+sod(n) for n = 27490554392 and 27490554401.

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, 24409 + ... + 235747.

It is an arithmetic number, because the mean of its divisors is an integer number (2776056570).

Almost surely, 2^27490554442 is an apocalyptic number.

27490554442 is a deficient number, since it is larger than the sum of its proper divisors (16926350678).

27490554442 is a wasteful number, since it uses less digits than its factorization.

27490554442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216357.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 27490554442 in words is "twenty-seven billion, four hundred ninety million, five hundred fifty-four thousand, four hundred forty-two".