42859496212 has 96 divisors (see below), whose sum is σ = 87129985824. Its totient is φ = 18269798400.

The previous prime is 42859496203. The next prime is 42859496233. The reversal of 42859496212 is 21269495824.

It can be written as a sum of positive squares in 16 ways, for example, as 13022461456 + 29837034756 = 114116^2 + 172734^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 42859496212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36290262 + ... + 36291442.

It is an arithmetic number, because the mean of its divisors is an integer number (907604019).

Almost surely, 2^42859496212 is an apocalyptic number.

It is an amenable number.

42859496212 is an abundant number, since it is smaller than the sum of its proper divisors (44270489612).

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

42859496212 is a wasteful number, since it uses less digits than its factorization.

42859496212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949 (or 1947 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 42859496212 in words is "forty-two billion, eight hundred fifty-nine million, four hundred ninety-six thousand, two hundred twelve".