42440100432 has 40 divisors (see below), whose sum is σ = 116086159296. Its totient is φ = 13314541056.

The previous prime is 42440100421. The next prime is 42440100463. The reversal of 42440100432 is 23400104424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 26004148 + ... + 26005779.

Almost surely, 2^42440100432 is an apocalyptic number.

It is an amenable number.

42440100432 is an abundant number, since it is smaller than the sum of its proper divisors (73646058864).

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

42440100432 is a wasteful number, since it uses less digits than its factorization.

42440100432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52009955 (or 52009949 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42440100432 its reverse (23400104424), we get a palindrome (65840204856).

The spelling of 42440100432 in words is "forty-two billion, four hundred forty million, one hundred thousand, four hundred thirty-two".