42041544450421 has 8 divisors (see below), whose sum is σ = 43067038428288. Its totient is φ = 41016054780000.

The previous prime is 42041544450419. The next prime is 42041544450473. The reversal of 42041544450421 is 12405444514024.

42041544450421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42041544450421 - 2¹ = 42041544450419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42041544454421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28410196 + ... + 29853346.

It is an arithmetic number, because the mean of its divisors is an integer number (5383379803536).

Almost surely, 2^{42041544450421} is an apocalyptic number.

42041544450421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42041544450421 is a deficient number, since it is larger than the sum of its proper divisors (1025493977867).

42041544450421 is a wasteful number, since it uses less digits than its factorization.

42041544450421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153723.

The product of its (nonzero) digits is 409600, while the sum is 40.

Adding to 42041544450421 its reverse (12405444514024), we get a palindrome (54446988964445).

The spelling of 42041544450421 in words is "forty-two trillion, forty-one billion, five hundred forty-four million, four hundred fifty thousand, four hundred twenty-one".