21412302423340 has 48 divisors (see below), whose sum is σ = 46931489035200. Its totient is φ = 8190679228160.

The previous prime is 21412302423331. The next prime is 21412302423397. The reversal of 21412302423340 is 4332420321412.

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, 3230815 + ... + 7298134.

It is an arithmetic number, because the mean of its divisors is an integer number (977739354900).

Almost surely, 2^{21412302423340} is an apocalyptic number.

21412302423340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21412302423340 is an abundant number, since it is smaller than the sum of its proper divisors (25519186611860).

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

21412302423340 is a wasteful number, since it uses less digits than its factorization.

21412302423340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533402 (or 10533400 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 21412302423340 its reverse (4332420321412), we get a palindrome (25744722744752).

The spelling of 21412302423340 in words is "twenty-one trillion, four hundred twelve billion, three hundred two million, four hundred twenty-three thousand, three hundred forty".