4492451272 has 8 divisors (see below), whose sum is σ = 8423346150. Its totient is φ = 2246225632.

The previous prime is 4492451233. The next prime is 4492451347. The reversal of 4492451272 is 2721542944.

It can be written as a sum of positive squares in only one way, i.e., 4473736996 + 18714276 = 66886^2 + 4326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280778197 + ... + 280778212.

Almost surely, 2^4492451272 is an apocalyptic number.

It is an amenable number.

4492451272 is a deficient number, since it is larger than the sum of its proper divisors (3930894878).

4492451272 is a wasteful number, since it uses less digits than its factorization.

4492451272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561556415 (or 561556411 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 4492451272 is about 67025.7508126541. The cubic root of 4492451272 is about 1650.0399466301.

The spelling of 4492451272 in words is "four billion, four hundred ninety-two million, four hundred fifty-one thousand, two hundred seventy-two".