444062440 has 32 divisors (see below), whose sum is σ = 1057915080. Its totient is φ = 167176192.

The previous prime is 444062429. The next prime is 444062473. The reversal of 444062440 is 44260444.

It can be written as a sum of positive squares in 4 ways, for example, as 442429156 + 1633284 = 21034^2 + 1278^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444062399 and 444062408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325837 + ... + 327196.

Almost surely, 2^444062440 is an apocalyptic number.

444062440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444062440 is an abundant number, since it is smaller than the sum of its proper divisors (613852640).

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

444062440 is a wasteful number, since it uses less digits than its factorization.

444062440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653061 (or 653057 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 444062440 is about 21072.7890892497. The cubic root of 444062440 is about 762.9241227329.

The spelling of 444062440 in words is "four hundred forty-four million, sixty-two thousand, four hundred forty".