42881604421 has 8 divisors (see below), whose sum is σ = 43147440000. Its totient is φ = 42616489440.

The previous prime is 42881604413. The next prime is 42881604433. The reversal of 42881604421 is 12440618824.

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

It is a cyclic number.

It is not a de Polignac number, because 42881604421 - 2³ = 42881604413 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 (42881601421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60520 + ... + 299041.

It is an arithmetic number, because the mean of its divisors is an integer number (5393430000).

Almost surely, 2^42881604421 is an apocalyptic number.

It is an amenable number.

42881604421 is a deficient number, since it is larger than the sum of its proper divisors (265835579).

42881604421 is a wasteful number, since it uses less digits than its factorization.

42881604421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360299.

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 42881604421 in words is "forty-two billion, eight hundred eighty-one million, six hundred four thousand, four hundred twenty-one".