42055443857652 has 48 divisors (see below), whose sum is σ = 98393057380800. Its totient is φ = 13980819892480.

The previous prime is 42055443857617. The next prime is 42055443857653. The reversal of 42055443857652 is 25675834455024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42055443857653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40003999 + ... + 41041817.

It is an arithmetic number, because the mean of its divisors is an integer number (2049855362100).

Almost surely, 2^{42055443857652} is an apocalyptic number.

It is an amenable number.

42055443857652 is an abundant number, since it is smaller than the sum of its proper divisors (56337613523148).

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

42055443857652 is a wasteful number, since it uses less digits than its factorization.

42055443857652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046896 (or 1046894 counting only the distinct ones).

The product of its (nonzero) digits is 161280000, while the sum is 60.

The spelling of 42055443857652 in words is "forty-two trillion, fifty-five billion, four hundred forty-three million, eight hundred fifty-seven thousand, six hundred fifty-two".