21410231144 has 32 divisors (see below), whose sum is σ = 40249221600. Its totient is φ = 10677147840.

The previous prime is 21410231077. The next prime is 21410231147. The reversal of 21410231144 is 44113201412.

It is not an unprimeable number, because it can be changed into a prime (21410231147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6034379 + ... + 6037925.

It is an arithmetic number, because the mean of its divisors is an integer number (1257788175).

Almost surely, 2^21410231144 is an apocalyptic number.

It is an amenable number.

21410231144 is a deficient number, since it is larger than the sum of its proper divisors (18838990456).

21410231144 is a wasteful number, since it uses less digits than its factorization.

21410231144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313 (or 5309 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21410231144 its reverse (44113201412), we get a palindrome (65523432556).

The spelling of 21410231144 in words is "twenty-one billion, four hundred ten million, two hundred thirty-one thousand, one hundred forty-four".