422730040 has 32 divisors (see below), whose sum is σ = 951786000. Its totient is φ = 168977664.

The previous prime is 422730029. The next prime is 422730053. The reversal of 422730040 is 40037224.

It is a super-3 number, since 3×422730040³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422729993 and 422730020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81031 + ... + 86089.

Almost surely, 2^422730040 is an apocalyptic number.

422730040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422730040 is an abundant number, since it is smaller than the sum of its proper divisors (529055960).

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

422730040 is a wasteful number, since it uses less digits than its factorization.

422730040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159 (or 7155 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 422730040 is about 20560.3998015603. The cubic root of 422730040 is about 750.5063484418.

Adding to 422730040 its reverse (40037224), we get a palindrome (462767264).

The spelling of 422730040 in words is "four hundred twenty-two million, seven hundred thirty thousand, forty".