448574157780 has 48 divisors (see below), whose sum is σ = 1435437306240. Its totient is φ = 102531235968.

The previous prime is 448574157769. The next prime is 448574157809. The reversal of 448574157780 is 87751475844.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 534016435 + ... + 534017274.

It is an arithmetic number, because the mean of its divisors is an integer number (29904943880).

Almost surely, 2^448574157780 is an apocalyptic number.

It is an amenable number.

448574157780 is an abundant number, since it is smaller than the sum of its proper divisors (986863148460).

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

448574157780 is a wasteful number, since it uses less digits than its factorization.

448574157780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068033728 (or 1068033726 counting only the distinct ones).

The product of its (nonzero) digits is 35123200, while the sum is 60.

The spelling of 448574157780 in words is "four hundred forty-eight billion, five hundred seventy-four million, one hundred fifty-seven thousand, seven hundred eighty".