42051000394 has 8 divisors (see below), whose sum is σ = 67928539140. Its totient is φ = 19408154016.

The previous prime is 42051000367. The next prime is 42051000457. The reversal of 42051000394 is 49300015024.

42051000394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39190141225 + 2860859169 = 197965^2 + 53487^2 .

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

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, 808673059 + ... + 808673110.

Almost surely, 2^42051000394 is an apocalyptic number.

42051000394 is a deficient number, since it is larger than the sum of its proper divisors (25877538746).

42051000394 is a wasteful number, since it uses less digits than its factorization.

42051000394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617346184.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 42051000394 in words is "forty-two billion, fifty-one million, three hundred ninety-four", and thus it is an aban number.