42503302432 has 48 divisors (see below), whose sum is σ = 86558976000. Its totient is φ = 20522949120.

The previous prime is 42503302427. The next prime is 42503302453. The reversal of 42503302432 is 23420330524.

It is a super-2 number, since 2×42503302432² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42503302432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430444 + ... + 519892.

It is an arithmetic number, because the mean of its divisors is an integer number (1803312000).

Almost surely, 2^42503302432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42503302432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43279488000).

42503302432 is an abundant number, since it is smaller than the sum of its proper divisors (44055673568).

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

42503302432 is a wasteful number, since it uses less digits than its factorization.

42503302432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89969 (or 89961 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 42503302432 its reverse (23420330524), we get a palindrome (65923632956).

The spelling of 42503302432 in words is "forty-two billion, five hundred three million, three hundred two thousand, four hundred thirty-two".