448477272729849 has 48 divisors (see below), whose sum is σ = 676494569628416. Its totient is φ = 263887154657280.

The previous prime is 448477272729823. The next prime is 448477272729887. The reversal of 448477272729849 is 948927272774844.

It is not a de Polignac number, because 448477272729849 - 2¹² = 448477272725753 is a prime.

It is a super-2 number, since 2×448477272729849² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (448477272729809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29841064 + ... + 42278169.

Almost surely, 2^{448477272729849} is an apocalyptic number.

It is an amenable number.

448477272729849 is a deficient number, since it is larger than the sum of its proper divisors (228017296898567).

448477272729849 is a wasteful number, since it uses less digits than its factorization.

448477272729849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72119758 (or 72119747 counting only the distinct ones).

The product of its digits is 25491013632, while the sum is 84.

The spelling of 448477272729849 in words is "four hundred forty-eight trillion, four hundred seventy-seven billion, two hundred seventy-two million, seven hundred twenty-nine thousand, eight hundred forty-nine".