38005943173842 has 64 divisors (see below), whose sum is σ = 86931246781440. Its totient is φ = 10851277679424.

The previous prime is 38005943173831. The next prime is 38005943173871. The reversal of 38005943173842 is 24837134950083.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 619331853 + ... + 619393215.

It is an arithmetic number, because the mean of its divisors is an integer number (1358300730960).

Almost surely, 2^{38005943173842} is an apocalyptic number.

38005943173842 is an abundant number, since it is smaller than the sum of its proper divisors (48925303607598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38005943173842 is a wasteful number, since it uses less digits than its factorization.

38005943173842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71407.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 38005943173842 in words is "thirty-eight trillion, five billion, nine hundred forty-three million, one hundred seventy-three thousand, eight hundred forty-two".