422123135040 has 84 divisors (see below), whose sum is σ = 1451927709804. Its totient is φ = 112566168576.

The previous prime is 422123134969. The next prime is 422123135059. The reversal of 422123135040 is 40531321224.

422123135040 is a `hidden beast` number, since 4 + 22 + 123 + 13 + 504 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 181026422784 + 241096712256 = 425472^2 + 491016^2 .

It is a super-2 number, since 2×422123135040² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422123134995 and 422123135013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73282387 + ... + 73288146.

Almost surely, 2^422123135040 is an apocalyptic number.

422123135040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422123135040 is an abundant number, since it is smaller than the sum of its proper divisors (1029804574764).

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

422123135040 is a wasteful number, since it uses less digits than its factorization.

422123135040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146570556 (or 146570543 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 422123135040 its reverse (40531321224), we get a palindrome (462654456264).

The spelling of 422123135040 in words is "four hundred twenty-two billion, one hundred twenty-three million, one hundred thirty-five thousand, forty".