4451272152 has 32 divisors (see below), whose sum is σ = 11172530880. Its totient is φ = 1477844000.

The previous prime is 4451272127. The next prime is 4451272201. The reversal of 4451272152 is 2512721544.

It is a super-2 number, since 2×4451272152² = 39627647542341422208, which contains 22 as substring.

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, 363438 + ... + 375485.

It is an arithmetic number, because the mean of its divisors is an integer number (349141590).

Almost surely, 2^4451272152 is an apocalyptic number.

It is an amenable number.

4451272152 is an abundant number, since it is smaller than the sum of its proper divisors (6721258728).

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

4451272152 is a wasteful number, since it uses less digits than its factorization.

4451272152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739183 (or 739179 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 4451272152 is about 66717.8548216293. The cubic root of 4451272152 is about 1644.9828808620.

Adding to 4451272152 its reverse (2512721544), we get a palindrome (6963993696).

The spelling of 4451272152 in words is "four billion, four hundred fifty-one million, two hundred seventy-two thousand, one hundred fifty-two".