42001252050044 has 24 divisors (see below), whose sum is σ = 84006415852128. Its totient is φ = 17999698360320.

The previous prime is 42001252050041. The next prime is 42001252050073. The reversal of 42001252050044 is 44005025210024.

It is a junction number, because it is equal to n+sod(n) for n = 42001252049989 and 42001252050016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42001252050041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34314149 + ... + 35517084.

It is an arithmetic number, because the mean of its divisors is an integer number (3500267327172).

Almost surely, 2^{42001252050044} is an apocalyptic number.

It is an amenable number.

42001252050044 is an abundant number, since it is smaller than the sum of its proper divisors (42005163802084).

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

42001252050044 is a wasteful number, since it uses less digits than its factorization.

42001252050044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69852725 (or 69852723 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 42001252050044 its reverse (44005025210024), we get a palindrome (86006277260068).

The spelling of 42001252050044 in words is "forty-two trillion, one billion, two hundred fifty-two million, fifty thousand, forty-four".