42812057898 has 64 divisors (see below), whose sum is σ = 95738440320. Its totient is φ = 14180852736.

The previous prime is 42812057867. The next prime is 42812057917. The reversal of 42812057898 is 89875021824.

42812057898 is a `hidden beast` number, since 4 + 281 + 205 + 78 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7069840 + ... + 7075892.

It is an arithmetic number, because the mean of its divisors is an integer number (1495913130).

Almost surely, 2^42812057898 is an apocalyptic number.

42812057898 is an abundant number, since it is smaller than the sum of its proper divisors (52926382422).

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

42812057898 is a wasteful number, since it uses less digits than its factorization.

42812057898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6868 (or 6862 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 42812057898 in words is "forty-two billion, eight hundred twelve million, fifty-seven thousand, eight hundred ninety-eight".