42200446421 has 16 divisors (see below), whose sum is σ = 49528741248. Its totient is φ = 35201472000.

The previous prime is 42200446399. The next prime is 42200446439. The reversal of 42200446421 is 12464400224.

It is a cyclic number.

It is not a de Polignac number, because 42200446421 - 2⁶ = 42200446357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42200446721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68255 + ... + 298428.

It is an arithmetic number, because the mean of its divisors is an integer number (3095546328).

Almost surely, 2^42200446421 is an apocalyptic number.

42200446421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42200446421 is a deficient number, since it is larger than the sum of its proper divisors (7328294827).

42200446421 is a wasteful number, since it uses less digits than its factorization.

42200446421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367132.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 42200446421 its reverse (12464400224), we get a palindrome (54664846645).

The spelling of 42200446421 in words is "forty-two billion, two hundred million, four hundred forty-six thousand, four hundred twenty-one".