392127220642 has 32 divisors (see below), whose sum is σ = 629023034880. Its totient is φ = 182927458560.

The previous prime is 392127220621. The next prime is 392127220651. The reversal of 392127220642 is 246022721293.

It is a junction number, because it is equal to n+sod(n) for n = 392127220595 and 392127220604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068378 + ... + 1387690.

It is an arithmetic number, because the mean of its divisors is an integer number (19656969840).

Almost surely, 2^392127220642 is an apocalyptic number.

392127220642 is a deficient number, since it is larger than the sum of its proper divisors (236895814238).

392127220642 is a wasteful number, since it uses less digits than its factorization.

392127220642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320058.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 392127220642 in words is "three hundred ninety-two billion, one hundred twenty-seven million, two hundred twenty thousand, six hundred forty-two".