38158790442 has 8 divisors (see below), whose sum is σ = 76317580896. Its totient is φ = 12719596812.

The previous prime is 38158790437. The next prime is 38158790471. The reversal of 38158790442 is 24409785183.

It is a happy number.

38158790442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

38158790442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3179899198 + ... + 3179899209.

It is an arithmetic number, because the mean of its divisors is an integer number (9539697612).

Almost surely, 2^38158790442 is an apocalyptic number.

38158790442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38158790442 is a wasteful number, since it uses less digits than its factorization.

38158790442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359798412.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 38158790442 in words is "thirty-eight billion, one hundred fifty-eight million, seven hundred ninety thousand, four hundred forty-two".