381206039042 has 16 divisors (see below), whose sum is σ = 573091200000. Its totient is φ = 190175821680.

The previous prime is 381206039017. The next prime is 381206039047. The reversal of 381206039042 is 240930602183.

It is a junction number, because it is equal to n+sod(n) for n = 381206038987 and 381206039005.

It is not an unprimeable number, because it can be changed into a prime (381206039047) 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, 4368959 + ... + 4455357.

It is an arithmetic number, because the mean of its divisors is an integer number (35818200000).

Almost surely, 2^381206039042 is an apocalyptic number.

381206039042 is a deficient number, since it is larger than the sum of its proper divisors (191885160958).

381206039042 is a wasteful number, since it uses less digits than its factorization.

381206039042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91321.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 381206039042 in words is "three hundred eighty-one billion, two hundred six million, thirty-nine thousand, forty-two".