422351315440 has 20 divisors (see below), whose sum is σ = 981966808584. Its totient is φ = 168940526144.

The previous prime is 422351315437. The next prime is 422351315537. The reversal of 422351315440 is 44513153224.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 422351315396 and 422351315405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2639695642 + ... + 2639695801.

Almost surely, 2^422351315440 is an apocalyptic number.

422351315440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422351315440 is an abundant number, since it is smaller than the sum of its proper divisors (559615493144).

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

422351315440 is a wasteful number, since it uses less digits than its factorization.

422351315440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279391456 (or 5279391450 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 422351315440 its reverse (44513153224), we get a palindrome (466864468664).

The spelling of 422351315440 in words is "four hundred twenty-two billion, three hundred fifty-one million, three hundred fifteen thousand, four hundred forty".