422166729600 has 3072 divisors, whose sum is σ = 2098151424000. Its totient is φ = 80289792000.

The previous prime is 422166729571. The next prime is 422166729617. The reversal of 422166729600 is 6927661224.

422166729600 is a `hidden beast` number, since 4 + 2 + 2 + 16 + 6 + 7 + 29 + 600 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 383 ways as a sum of consecutive naturals, for example, 4743446356 + ... + 4743446444.

It is an arithmetic number, because the mean of its divisors is an integer number (682992000).

Almost surely, 2^422166729600 is an apocalyptic number.

422166729600 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 422166729600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049075712000).

422166729600 is an abundant number, since it is smaller than the sum of its proper divisors (1675984694400).

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

422166729600 is a wasteful number, since it uses less digits than its factorization.

422166729600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 422166729600 in words is "four hundred twenty-two billion, one hundred sixty-six million, seven hundred twenty-nine thousand, six hundred".