442423432451430 has 96 divisors (see below), whose sum is σ = 1151914652085600. Its totient is φ = 117814186215936.

The previous prime is 442423432451347. The next prime is 442423432451453. The reversal of 442423432451430 is 34154234324244.

442423432451430 is a `hidden beast` number, since 4 + 4 + 2 + 4 + 234 + 324 + 51 + 43 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184073961 + ... + 186461979.

It is an arithmetic number, because the mean of its divisors is an integer number (11999110959225).

Almost surely, 2^{442423432451430} is an apocalyptic number.

442423432451430 is an abundant number, since it is smaller than the sum of its proper divisors (709491219634170).

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

442423432451430 is a wasteful number, since it uses less digits than its factorization.

442423432451430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390918 (or 2390915 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 45.

Adding to 442423432451430 its reverse (34154234324244), we get a palindrome (476577666775674).

The spelling of 442423432451430 in words is "four hundred forty-two trillion, four hundred twenty-three billion, four hundred thirty-two million, four hundred fifty-one thousand, four hundred thirty".