21424131241304 has 64 divisors (see below), whose sum is σ = 45286936980480. Its totient is φ = 9413430768000.

The previous prime is 21424131241277. The next prime is 21424131241321. The reversal of 21424131241304 is 40314213142412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2038187 + ... + 6855834.

It is an arithmetic number, because the mean of its divisors is an integer number (707608390320).

Almost surely, 2^{21424131241304} is an apocalyptic number.

It is an amenable number.

21424131241304 is an abundant number, since it is smaller than the sum of its proper divisors (23862805739176).

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

21424131241304 is a wasteful number, since it uses less digits than its factorization.

21424131241304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8894952 (or 8894948 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 21424131241304 its reverse (40314213142412), we get a palindrome (61738344383716).

The spelling of 21424131241304 in words is "twenty-one trillion, four hundred twenty-four billion, one hundred thirty-one million, two hundred forty-one thousand, three hundred four".