424430142820 has 24 divisors (see below), whose sum is σ = 891372392064. Its totient is φ = 169758896736.

The previous prime is 424430142769. The next prime is 424430142839. The reversal of 424430142820 is 28241034424.

It is a super-2 number, since 2×424430142820² (a number of 24 digits) contains 22 as substring.

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, 555964 + ... + 1076083.

It is an arithmetic number, because the mean of its divisors is an integer number (37140516336).

Almost surely, 2^424430142820 is an apocalyptic number.

It is an amenable number.

424430142820 is an abundant number, since it is smaller than the sum of its proper divisors (466942249244).

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

424430142820 is a wasteful number, since it uses less digits than its factorization.

424430142820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645059 (or 1645057 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

The spelling of 424430142820 in words is "four hundred twenty-four billion, four hundred thirty million, one hundred forty-two thousand, eight hundred twenty".