21410244312 has 32 divisors (see below), whose sum is σ = 56674177200. Its totient is φ = 6716939264.

The previous prime is 21410244307. The next prime is 21410244313. The reversal of 21410244312 is 21344201412.

It is a super-2 number, since 2×21410244312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410244313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26237637 + ... + 26238452.

Almost surely, 2^21410244312 is an apocalyptic number.

It is an amenable number.

21410244312 is an abundant number, since it is smaller than the sum of its proper divisors (35263932888).

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

21410244312 is a wasteful number, since it uses less digits than its factorization.

21410244312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52476115 (or 52476111 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21410244312 its reverse (21344201412), we get a palindrome (42754445724).

The spelling of 21410244312 in words is "twenty-one billion, four hundred ten million, two hundred forty-four thousand, three hundred twelve".