4446665442 has 24 divisors (see below), whose sum is σ = 9638124444. Its totient is φ = 1481655264.

The previous prime is 4446665423. The next prime is 4446665453. The reversal of 4446665442 is 2445666444.

It can be written as a sum of positive squares in 2 ways, for example, as 4126649121 + 320016321 = 64239^2 + 17889^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2608 + ... + 94340.

Almost surely, 2^4446665442 is an apocalyptic number.

4446665442 is an abundant number, since it is smaller than the sum of its proper divisors (5191459002).

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

4446665442 is a wasteful number, since it uses less digits than its factorization.

4446665442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94434 (or 94431 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 45.

The square root of 4446665442 is about 66683.3220678154. The cubic root of 4446665442 is about 1644.4152098288.

The spelling of 4446665442 in words is "four billion, four hundred forty-six million, six hundred sixty-five thousand, four hundred forty-two".