422443015140 has 24 divisors (see below), whose sum is σ = 1182840442560. Its totient is φ = 112651470688.

The previous prime is 422443015133. The next prime is 422443015199. The reversal of 422443015140 is 41510344224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 422443015098 and 422443015107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3520358400 + ... + 3520358519.

It is an arithmetic number, because the mean of its divisors is an integer number (49285018440).

Almost surely, 2^422443015140 is an apocalyptic number.

It is an amenable number.

422443015140 is an abundant number, since it is smaller than the sum of its proper divisors (760397427420).

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

422443015140 is a wasteful number, since it uses less digits than its factorization.

422443015140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040716931 (or 7040716929 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 422443015140 its reverse (41510344224), we get a palindrome (463953359364).

The spelling of 422443015140 in words is "four hundred twenty-two billion, four hundred forty-three million, fifteen thousand, one hundred forty".