27215938442 has 16 divisors (see below), whose sum is σ = 50897339712. Its totient is φ = 10603612320.

The previous prime is 27215938439. The next prime is 27215938483. The reversal of 27215938442 is 24483951272.

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, 88363283 + ... + 88363590.

It is an arithmetic number, because the mean of its divisors is an integer number (3181083732).

Almost surely, 2^27215938442 is an apocalyptic number.

27215938442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27215938442 is a deficient number, since it is larger than the sum of its proper divisors (23681401270).

27215938442 is a wasteful number, since it uses less digits than its factorization.

27215938442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176726893.

The product of its digits is 967680, while the sum is 47.

The spelling of 27215938442 in words is "twenty-seven billion, two hundred fifteen million, nine hundred thirty-eight thousand, four hundred forty-two".