422322010040 has 128 divisors (see below), whose sum is σ = 1114706689920. Its totient is φ = 141011712000.

The previous prime is 422322010031. The next prime is 422322010049. The reversal of 422322010040 is 40010223224.

It is an interprime number because it is at equal distance from previous prime (422322010031) and next prime (422322010049).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 422322009994 and 422322010021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422322010049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1602674 + ... + 1847486.

It is an arithmetic number, because the mean of its divisors is an integer number (8708646015).

Almost surely, 2^422322010040 is an apocalyptic number.

422322010040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422322010040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557353344960).

422322010040 is an abundant number, since it is smaller than the sum of its proper divisors (692384679880).

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

422322010040 is a wasteful number, since it uses less digits than its factorization.

422322010040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244993 (or 244989 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 422322010040 its reverse (40010223224), we get a palindrome (462332233264).

The spelling of 422322010040 in words is "four hundred twenty-two billion, three hundred twenty-two million, ten thousand, forty".