42020402032 has 40 divisors (see below), whose sum is σ = 94166222976. Its totient is φ = 17791766976.

The previous prime is 42020401987. The next prime is 42020402041. The reversal of 42020402032 is 23020402024.

It is a congruent number.

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, 2250838 + ... + 2269429.

Almost surely, 2^42020402032 is an apocalyptic number.

It is an amenable number.

42020402032 is an abundant number, since it is smaller than the sum of its proper divisors (52145820944).

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

42020402032 is a wasteful number, since it uses less digits than its factorization.

42020402032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520365 (or 4520359 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 42020402032 its reverse (23020402024), we get a palindrome (65040804056).

The spelling of 42020402032 in words is "forty-two billion, twenty million, four hundred two thousand, thirty-two".