42005399268 has 48 divisors (see below), whose sum is σ = 112701639680. Its totient is φ = 11927909664.

The previous prime is 42005399231. The next prime is 42005399281. The reversal of 42005399268 is 86299350024.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520248 + ... + 1547631.

Almost surely, 2^42005399268 is an apocalyptic number.

It is an amenable number.

42005399268 is an abundant number, since it is smaller than the sum of its proper divisors (70696240412).

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

42005399268 is a wasteful number, since it uses less digits than its factorization.

42005399268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068056 (or 3068054 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 42005399268 in words is "forty-two billion, five million, three hundred ninety-nine thousand, two hundred sixty-eight".