442107391824 has 120 divisors (see below), whose sum is σ = 1488465218240. Its totient is φ = 119668161024.

The previous prime is 442107391823. The next prime is 442107391849. The reversal of 442107391824 is 428193701244.

442107391824 is a `hidden beast` number, since 44 + 210 + 7 + 391 + 8 + 2 + 4 = 666.

It is a super-3 number, since 3×442107391824³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442107391824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442107391823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11522917 + ... + 11561220.

Almost surely, 2^442107391824 is an apocalyptic number.

It is an amenable number.

442107391824 is an abundant number, since it is smaller than the sum of its proper divisors (1046357826416).

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

442107391824 is a wasteful number, since it uses less digits than its factorization.

442107391824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23084177 (or 23084168 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 442107391824 in words is "four hundred forty-two billion, one hundred seven million, three hundred ninety-one thousand, eight hundred twenty-four".