21440553532014 has 32 divisors (see below), whose sum is σ = 43099766187264. Its totient is φ = 7110486789120.

The previous prime is 21440553532001. The next prime is 21440553532033. The reversal of 21440553532014 is 41023535504412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8760994 + ... + 10937829.

It is an arithmetic number, because the mean of its divisors is an integer number (1346867693352).

Almost surely, 2^{21440553532014} is an apocalyptic number.

21440553532014 is an abundant number, since it is smaller than the sum of its proper divisors (21659212655250).

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

21440553532014 is a wasteful number, since it uses less digits than its factorization.

21440553532014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19699752.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 21440553532014 in words is "twenty-one trillion, four hundred forty billion, five hundred fifty-three million, five hundred thirty-two thousand, fourteen".