21444055414010 has 32 divisors (see below), whose sum is σ = 39975531747840. Its totient is φ = 8272462782528.

The previous prime is 21444055413973. The next prime is 21444055414043. The reversal of 21444055414010 is 1041455044412.

It is a Curzon 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, 41615402 + ... + 42127541.

It is an arithmetic number, because the mean of its divisors is an integer number (1249235367120).

Almost surely, 2^{21444055414010} is an apocalyptic number.

21444055414010 is a deficient number, since it is larger than the sum of its proper divisors (18531476333830).

21444055414010 is a wasteful number, since it uses less digits than its factorization.

21444055414010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83743862.

The product of its (nonzero) digits is 51200, while the sum is 35.

The spelling of 21444055414010 in words is "twenty-one trillion, four hundred forty-four billion, fifty-five million, four hundred fourteen thousand, ten".