442405451322 has 64 divisors (see below), whose sum is σ = 1034996342400. Its totient is φ = 139689463680.

The previous prime is 442405451317. The next prime is 442405451393. The reversal of 442405451322 is 223154504244.

442405451322 is a `hidden beast` number, since 4 + 42 + 40 + 545 + 1 + 32 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9951568 + ... + 9995924.

It is an arithmetic number, because the mean of its divisors is an integer number (16171817850).

Almost surely, 2^442405451322 is an apocalyptic number.

442405451322 is an abundant number, since it is smaller than the sum of its proper divisors (592590891078).

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

442405451322 is a wasteful number, since it uses less digits than its factorization.

442405451322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54108 (or 54102 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 442405451322 its reverse (223154504244), we get a palindrome (665559955566).

The spelling of 442405451322 in words is "four hundred forty-two billion, four hundred five million, four hundred fifty-one thousand, three hundred twenty-two".