2045020424 has 8 divisors (see below), whose sum is σ = 3834413310. Its totient is φ = 1022510208.

The previous prime is 2045020391. The next prime is 2045020477. The reversal of 2045020424 is 4240205402.

It can be written as a sum of positive squares in only one way, i.e., 1788444100 + 256576324 = 42290^2 + 16018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2045020424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127813769 + ... + 127813784.

Almost surely, 2^2045020424 is an apocalyptic number.

It is an amenable number.

2045020424 is a deficient number, since it is larger than the sum of its proper divisors (1789392886).

2045020424 is a wasteful number, since it uses less digits than its factorization.

2045020424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255627559 (or 255627555 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2045020424 is about 45221.9020387246. The cubic root of 2045020424 is about 1269.3046856275.

Adding to 2045020424 its reverse (4240205402), we get a palindrome (6285225826).

The spelling of 2045020424 in words is "two billion, forty-five million, twenty thousand, four hundred twenty-four".