42891541896 has 64 divisors (see below), whose sum is σ = 122566118400. Its totient is φ = 12252840768.

The previous prime is 42891541883. The next prime is 42891541897. The reversal of 42891541896 is 69814519824.

It is not an unprimeable number, because it can be changed into a prime (42891541897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1365261 + ... + 1396323.

It is an arithmetic number, because the mean of its divisors is an integer number (1915095600).

Almost surely, 2^42891541896 is an apocalyptic number.

It is an amenable number.

42891541896 is an abundant number, since it is smaller than the sum of its proper divisors (79674576504).

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

42891541896 is a wasteful number, since it uses less digits than its factorization.

42891541896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39298 (or 39294 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 57.

The spelling of 42891541896 in words is "forty-two billion, eight hundred ninety-one million, five hundred forty-one thousand, eight hundred ninety-six".