4449965742 has 64 divisors (see below), whose sum is σ = 10222080000. Its totient is φ = 1433466720.

The previous prime is 4449965633. The next prime is 4449965743. The reversal of 4449965742 is 2475699444.

It is a super-2 number, since 2×4449965742² = 39604390209947221128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4449965743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1617384 + ... + 1620132.

It is an arithmetic number, because the mean of its divisors is an integer number (159720000).

Almost surely, 2^4449965742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4449965742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5111040000).

4449965742 is an abundant number, since it is smaller than the sum of its proper divisors (5772114258).

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

4449965742 is a wasteful number, since it uses less digits than its factorization.

4449965742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758 (or 3752 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 4449965742 is about 66708.0635455715. The cubic root of 4449965742 is about 1644.8219356845.

The spelling of 4449965742 in words is "four billion, four hundred forty-nine million, nine hundred sixty-five thousand, seven hundred forty-two".