4456749879272 has 32 divisors (see below), whose sum is σ = 8363164087080. Its totient is φ = 2226573323520.

The previous prime is 4456749879233. The next prime is 4456749879277. The reversal of 4456749879272 is 2729789476544.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4366453235236 + 90296644036 = 2089606^2 + 300494^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4456749879272.

It is not an unprimeable number, because it can be changed into a prime (4456749879277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75084518 + ... + 75143850.

Almost surely, 2^{4456749879272} is an apocalyptic number.

It is an amenable number.

4456749879272 is a deficient number, since it is larger than the sum of its proper divisors (3906414207808).

4456749879272 is a wasteful number, since it uses less digits than its factorization.

4456749879272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66773 (or 66769 counting only the distinct ones).

The product of its digits is 1706987520, while the sum is 74.

The spelling of 4456749879272 in words is "four trillion, four hundred fifty-six billion, seven hundred forty-nine million, eight hundred seventy-nine thousand, two hundred seventy-two".