4445350272 has 144 divisors (see below), whose sum is σ = 14061023340. Its totient is φ = 1347033600.

The previous prime is 4445350267. The next prime is 4445350313. The reversal of 4445350272 is 2720535444.

4445350272 is a `hidden beast` number, since 44 + 45 + 3 + 502 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×4445350272² = 39522278081540947968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 123447 + ... + 155337.

Almost surely, 2^4445350272 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 4445350272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7030511670).

4445350272 is an abundant number, since it is smaller than the sum of its proper divisors (9615673068).

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

4445350272 is a wasteful number, since it uses less digits than its factorization.

4445350272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31933 (or 31907 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 36.

The square root of 4445350272 is about 66673.4600272102. The cubic root of 4445350272 is about 1644.2530734421.

The spelling of 4445350272 in words is "four billion, four hundred forty-five million, three hundred fifty thousand, two hundred seventy-two".