448397397570 has 32 divisors (see below), whose sum is σ = 1132793426880. Its totient is φ = 113279342400.

The previous prime is 448397397559. The next prime is 448397397587. The reversal of 448397397570 is 75793793844.

It is a super-2 number, since 2×448397397570² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393330481 + ... + 393331620.

It is an arithmetic number, because the mean of its divisors is an integer number (35399794590).

Almost surely, 2^448397397570 is an apocalyptic number.

448397397570 is an abundant number, since it is smaller than the sum of its proper divisors (684396029310).

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

448397397570 is a wasteful number, since it uses less digits than its factorization.

448397397570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786662130.

The product of its (nonzero) digits is 160030080, while the sum is 66.

The spelling of 448397397570 in words is "four hundred forty-eight billion, three hundred ninety-seven million, three hundred ninety-seven thousand, five hundred seventy".