42001252050045 has 32 divisors (see below), whose sum is σ = 68057870929920. Its totient is φ = 22115421956160.

The previous prime is 42001252050041. The next prime is 42001252050073. The reversal of 42001252050045 is 54005025210024.

It is not a de Polignac number, because 42001252050045 - 2² = 42001252050041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42001252049994 and 42001252050021.

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 31 ways as a sum of consecutive naturals, for example, 14205450 + ... + 16905540.

It is an arithmetic number, because the mean of its divisors is an integer number (2126808466560).

Almost surely, 2^{42001252050045} is an apocalyptic number.

It is an amenable number.

42001252050045 is a deficient number, since it is larger than the sum of its proper divisors (26056618879875).

42001252050045 is a wasteful number, since it uses less digits than its factorization.

42001252050045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713305.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 42001252050045 its reverse (54005025210024), we get a palindrome (96006277260069).

The spelling of 42001252050045 in words is "forty-two trillion, one billion, two hundred fifty-two million, fifty thousand, forty-five".