42432345024520 has 128 divisors (see below), whose sum is σ = 116082858153600. Its totient is φ = 13757968281600.

The previous prime is 42432345024467. The next prime is 42432345024521. The reversal of 42432345024520 is 2542054323424.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (42432345024521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149141391 + ... + 149425630.

It is an arithmetic number, because the mean of its divisors is an integer number (906897329325).

Almost surely, 2^{42432345024520} is an apocalyptic number.

42432345024520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42432345024520 is an abundant number, since it is smaller than the sum of its proper divisors (73650513129080).

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

42432345024520 is a wasteful number, since it uses less digits than its factorization.

42432345024520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298567079 (or 298567075 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 40.

Adding to 42432345024520 its reverse (2542054323424), we get a palindrome (44974399347944).

The spelling of 42432345024520 in words is "forty-two trillion, four hundred thirty-two billion, three hundred forty-five million, twenty-four thousand, five hundred twenty".