422128831510 has 64 divisors (see below), whose sum is σ = 786950461440. Its totient is φ = 162928402560.

The previous prime is 422128831493. The next prime is 422128831517. The reversal of 422128831510 is 15138821224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 422128831510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422128831517) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18634771 + ... + 18657409.

It is an arithmetic number, because the mean of its divisors is an integer number (12296100960).

Almost surely, 2^422128831510 is an apocalyptic number.

422128831510 is a deficient number, since it is larger than the sum of its proper divisors (364821629930).

422128831510 is a wasteful number, since it uses less digits than its factorization.

422128831510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23213.

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 422128831510 in words is "four hundred twenty-two billion, one hundred twenty-eight million, eight hundred thirty-one thousand, five hundred ten".