4451749740 has 192 divisors, whose sum is σ = 14103936000. Its totient is φ = 1165570560.

The previous prime is 4451749733. The next prime is 4451749781. The reversal of 4451749740 is 479471544.

4451749740 is a `hidden beast` number, since 4 + 4 + 517 + 4 + 97 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10140441 + ... + 10140879.

It is an arithmetic number, because the mean of its divisors is an integer number (73458000).

Almost surely, 2^4451749740 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 4451749740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7051968000).

4451749740 is an abundant number, since it is smaller than the sum of its proper divisors (9652186260).

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

4451749740 is a wasteful number, since it uses less digits than its factorization.

4451749740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 4451749740 is about 66721.4338874698. The cubic root of 4451749740 is about 1645.0417101855.

The spelling of 4451749740 in words is "four billion, four hundred fifty-one million, seven hundred forty-nine thousand, seven hundred forty".