2045435444 has 48 divisors (see below), whose sum is σ = 4098978576. Its totient is φ = 884736000.

The previous prime is 2045435419. The next prime is 2045435473. The reversal of 2045435444 is 4445345402.

It can be written as a sum of positive squares in 8 ways, for example, as 106090000 + 1939345444 = 10300^2 + 44038^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208244 + ... + 217844.

It is an arithmetic number, because the mean of its divisors is an integer number (85395387).

Almost surely, 2^2045435444 is an apocalyptic number.

It is an amenable number.

2045435444 is an abundant number, since it is smaller than the sum of its proper divisors (2053543132).

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

2045435444 is a wasteful number, since it uses less digits than its factorization.

2045435444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9876 (or 9874 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

The square root of 2045435444 is about 45226.4905116459. The cubic root of 2045435444 is about 1269.3905447861.

The spelling of 2045435444 in words is "two billion, forty-five million, four hundred thirty-five thousand, four hundred forty-four".