42079021888 has 28 divisors (see below), whose sum is σ = 83531976192. Its totient is φ = 21031594880.

The previous prime is 42079021849. The next prime is 42079021889. The reversal of 42079021888 is 88812097024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42079021889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49623 + ... + 294313.

It is an arithmetic number, because the mean of its divisors is an integer number (2983284864).

Almost surely, 2^42079021888 is an apocalyptic number.

It is an amenable number.

42079021888 is a deficient number, since it is larger than the sum of its proper divisors (41452954304).

42079021888 is a wasteful number, since it uses less digits than its factorization.

42079021888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247390 (or 247380 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 42079021888 in words is "forty-two billion, seventy-nine million, twenty-one thousand, eight hundred eighty-eight".