4444036440 has 32 divisors (see below), whose sum is σ = 13332109680. Its totient is φ = 1185076352.

The previous prime is 4444036433. The next prime is 4444036459. The reversal of 4444036440 is 446304444.

It is a congruent number.

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, 18516699 + ... + 18516938.

Almost surely, 2^4444036440 is an apocalyptic number.

4444036440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4444036440 is an abundant number, since it is smaller than the sum of its proper divisors (8888073240).

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

4444036440 is a wasteful number, since it uses less digits than its factorization.

4444036440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37033651 (or 37033647 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

The square root of 4444036440 is about 66663.6065631016. The cubic root of 4444036440 is about 1644.0910700730.

The spelling of 4444036440 in words is "four billion, four hundred forty-four million, thirty-six thousand, four hundred forty".