27779340502442 has 16 divisors (see below), whose sum is σ = 41704718039712. Its totient is φ = 13877768569200.

The previous prime is 27779340502429. The next prime is 27779340502447. The reversal of 27779340502442 is 24420504397772.

It is a super-2 number, since 2×27779340502442² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27779340502447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81953393 + ... + 82291659.

It is an arithmetic number, because the mean of its divisors is an integer number (2606544877482).

Almost surely, 2^{27779340502442} is an apocalyptic number.

27779340502442 is a deficient number, since it is larger than the sum of its proper divisors (13925377537270).

27779340502442 is a wasteful number, since it uses less digits than its factorization.

27779340502442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373333.

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 27779340502442 in words is "twenty-seven trillion, seven hundred seventy-nine billion, three hundred forty million, five hundred two thousand, four hundred forty-two".