21434440041014 has 64 divisors (see below), whose sum is σ = 43171065745920. Its totient is φ = 7708260568320.

The previous prime is 21434440041011. The next prime is 21434440041023. The reversal of 21434440041014 is 41014004443412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21434440041011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36826322 + ... + 37403834.

It is an arithmetic number, because the mean of its divisors is an integer number (674547902280).

Almost surely, 2^{21434440041014} is an apocalyptic number.

21434440041014 is an abundant number, since it is smaller than the sum of its proper divisors (21736625704906).

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

21434440041014 is a wasteful number, since it uses less digits than its factorization.

21434440041014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596085.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 21434440041014 its reverse (41014004443412), we get a palindrome (62448444484426).

The spelling of 21434440041014 in words is "twenty-one trillion, four hundred thirty-four billion, four hundred forty million, forty-one thousand, fourteen".