42990678828 has 48 divisors (see below), whose sum is σ = 111468994560. Its totient is φ = 14328724752.

The previous prime is 42990678751. The next prime is 42990678839. The reversal of 42990678828 is 82887609924.

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, 1583101 + ... + 1610027.

It is an arithmetic number, because the mean of its divisors is an integer number (2322270720).

Almost surely, 2^42990678828 is an apocalyptic number.

It is an amenable number.

42990678828 is an abundant number, since it is smaller than the sum of its proper divisors (68478315732).

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

42990678828 is a wasteful number, since it uses less digits than its factorization.

42990678828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41723 (or 41715 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 42990678828 in words is "forty-two billion, nine hundred ninety million, six hundred seventy-eight thousand, eight hundred twenty-eight".