448156780 has 24 divisors (see below), whose sum is σ = 941548608. Its totient is φ = 179182848.

The previous prime is 448156759. The next prime is 448156789. The reversal of 448156780 is 87651844.

It is not an unprimeable number, because it can be changed into a prime (448156789) 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, 64852 + ... + 71428.

It is an arithmetic number, because the mean of its divisors is an integer number (39231192).

Almost surely, 2^448156780 is an apocalyptic number.

It is an amenable number.

448156780 is an abundant number, since it is smaller than the sum of its proper divisors (493391828).

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

448156780 is a wasteful number, since it uses less digits than its factorization.

448156780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9993 (or 9991 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 448156780 is about 21169.7137439314. The cubic root of 448156780 is about 765.2617214342.

The spelling of 448156780 in words is "four hundred forty-eight million, one hundred fifty-six thousand, seven hundred eighty".