42289140388 has 36 divisors (see below), whose sum is σ = 81408889296. Its totient is φ = 19207342000.

The previous prime is 42289140379. The next prime is 42289140479. The reversal of 42289140388 is 88304198224.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 599163 + ... + 666013.

It is an arithmetic number, because the mean of its divisors is an integer number (2261358036).

Almost surely, 2^42289140388 is an apocalyptic number.

It is an amenable number.

42289140388 is a deficient number, since it is larger than the sum of its proper divisors (39119748908).

42289140388 is a wasteful number, since it uses less digits than its factorization.

42289140388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68184 (or 68171 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The spelling of 42289140388 in words is "forty-two billion, two hundred eighty-nine million, one hundred forty thousand, three hundred eighty-eight".