2050450445440 has 128 divisors (see below), whose sum is σ = 5047813552320. Its totient is φ = 796001955840.

The previous prime is 2050450445429. The next prime is 2050450445447. The reversal of 2050450445440 is 445440540502.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 2050450445440.

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 15 ways as a sum of consecutive naturals, for example, 4083355 + ... + 4557925.

Almost surely, 2^{2050450445440} is an apocalyptic number.

2050450445440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2050450445440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2523906776160).

2050450445440 is an abundant number, since it is smaller than the sum of its proper divisors (2997363106880).

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

2050450445440 is a wasteful number, since it uses less digits than its factorization.

2050450445440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474790 (or 474778 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 37.

Adding to 2050450445440 its reverse (445440540502), we get a palindrome (2495890985942).

The spelling of 2050450445440 in words is "two trillion, fifty billion, four hundred fifty million, four hundred forty-five thousand, four hundred forty".