4421940125 has 16 divisors (see below), whose sum is σ = 5843206512. Its totient is φ = 3329459200.

The previous prime is 4421940073. The next prime is 4421940139. The reversal of 4421940125 is 5210491244.

It can be written as a sum of positive squares in 8 ways, for example, as 739513636 + 3682426489 = 27194^2 + 60683^2 .

It is not a de Polignac number, because 4421940125 - 2²⁰ = 4420891549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4421940091 and 4421940100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038332 + ... + 1042581.

It is an arithmetic number, because the mean of its divisors is an integer number (365200407).

Almost surely, 2^4421940125 is an apocalyptic number.

It is an amenable number.

4421940125 is a deficient number, since it is larger than the sum of its proper divisors (1421266387).

4421940125 is a wasteful number, since it uses less digits than its factorization.

4421940125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080945 (or 2080935 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4421940125 is about 66497.6700719657. The cubic root of 4421940125 is about 1641.3616647026.

The spelling of 4421940125 in words is "four billion, four hundred twenty-one million, nine hundred forty thousand, one hundred twenty-five".