21442552415230 has 16 divisors (see below), whose sum is σ = 38596698092304. Its totient is φ = 8576997911680.

The previous prime is 21442552415227. The next prime is 21442552415267. The reversal of 21442552415230 is 3251425524412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315689 + ... + 6679531.

It is an arithmetic number, because the mean of its divisors is an integer number (2412293630769).

Almost surely, 2^{21442552415230} is an apocalyptic number.

21442552415230 is a deficient number, since it is larger than the sum of its proper divisors (17154145677074).

21442552415230 is a wasteful number, since it uses less digits than its factorization.

21442552415230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763611.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 21442552415230 its reverse (3251425524412), we get a palindrome (24693977939642).

The spelling of 21442552415230 in words is "twenty-one trillion, four hundred forty-two billion, five hundred fifty-two million, four hundred fifteen thousand, two hundred thirty".