4446137740 has 72 divisors (see below), whose sum is σ = 10291422960. Its totient is φ = 1612279680.

The previous prime is 4446137737. The next prime is 4446137741. The reversal of 4446137740 is 477316444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4446137693 and 4446137702.

It is not an unprimeable number, because it can be changed into a prime (4446137741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 939019 + ... + 943741.

It is an arithmetic number, because the mean of its divisors is an integer number (142936430).

Almost surely, 2^4446137740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4446137740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5145711480).

4446137740 is an abundant number, since it is smaller than the sum of its proper divisors (5845285220).

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

4446137740 is a wasteful number, since it uses less digits than its factorization.

4446137740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143 (or 5130 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 4446137740 is about 66679.3651739427. The cubic root of 4446137740 is about 1644.3501576726.

The spelling of 4446137740 in words is "four billion, four hundred forty-six million, one hundred thirty-seven thousand, seven hundred forty".