42851085344380 has 24 divisors (see below), whose sum is σ = 92419367852448. Its totient is φ = 16677179160768.

The previous prime is 42851085344351. The next prime is 42851085344399. The reversal of 42851085344380 is 8344358015824.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28953435304 + ... + 28953436783.

It is an arithmetic number, because the mean of its divisors is an integer number (3850806993852).

Almost surely, 2^{42851085344380} is an apocalyptic number.

It is an amenable number.

42851085344380 is an abundant number, since it is smaller than the sum of its proper divisors (49568282508068).

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

42851085344380 is a wasteful number, since it uses less digits than its factorization.

42851085344380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57906872133 (or 57906872131 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 55.

The spelling of 42851085344380 in words is "forty-two trillion, eight hundred fifty-one billion, eighty-five million, three hundred forty-four thousand, three hundred eighty".