2050450445442 has 48 divisors (see below), whose sum is σ = 4819615547040. Its totient is φ = 579803357952.

The previous prime is 2050450445429. The next prime is 2050450445447. The reversal of 2050450445442 is 2445440540502.

It is a self number, because there is not a number n which added to its sum of digits gives 2050450445442.

It is not an unprimeable number, because it can be changed into a prime (2050450445447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35921592 + ... + 35978627.

It is an arithmetic number, because the mean of its divisors is an integer number (100408657230).

Almost surely, 2^{2050450445442} is an apocalyptic number.

2050450445442 is an abundant number, since it is smaller than the sum of its proper divisors (2769165101598).

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

2050450445442 is a wasteful number, since it uses less digits than its factorization.

2050450445442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71900335 (or 71900328 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 39.

Adding to 2050450445442 its reverse (2445440540502), we get a palindrome (4495890985944).

The spelling of 2050450445442 in words is "two trillion, fifty billion, four hundred fifty million, four hundred forty-five thousand, four hundred forty-two".