42432015454 has 4 divisors (see below), whose sum is σ = 63648023184. Its totient is φ = 21216007726.

The previous prime is 42432015427. The next prime is 42432015511. The reversal of 42432015454 is 45451023424.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×42432015454² (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 10608003862 + ... + 10608003865.

It is an arithmetic number, because the mean of its divisors is an integer number (15912005796).

Almost surely, 2^42432015454 is an apocalyptic number.

42432015454 is a deficient number, since it is larger than the sum of its proper divisors (21216007730).

42432015454 is a wasteful number, since it uses less digits than its factorization.

42432015454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21216007729.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 42432015454 its reverse (45451023424), we get a palindrome (87883038878).

The spelling of 42432015454 in words is "forty-two billion, four hundred thirty-two million, fifteen thousand, four hundred fifty-four".