1448771436 has 108 divisors (see below), whose sum is σ = 4304504568. Its totient is φ = 409618944.

The previous prime is 1448771407. The next prime is 1448771479. The reversal of 1448771436 is 6341778441.

1448771436 is a `hidden beast` number, since 144 + 8 + 7 + 71 + 436 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1448771391 and 1448771400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 166875 + ... + 175341.

Almost surely, 2^1448771436 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 1448771436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2152252284).

1448771436 is an abundant number, since it is smaller than the sum of its proper divisors (2855733132).

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

1448771436 is a wasteful number, since it uses less digits than its factorization.

1448771436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588 (or 8576 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 1448771436 is about 38062.7302751655. The cubic root of 1448771436 is about 1131.5314385953.

The spelling of 1448771436 in words is "one billion, four hundred forty-eight million, seven hundred seventy-one thousand, four hundred thirty-six".