21141034340 has 24 divisors (see below), whose sum is σ = 44662024512. Its totient is φ = 8405775200.

The previous prime is 21141034339. The next prime is 21141034363. The reversal of 21141034340 is 4343014112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3161486 + ... + 3168165.

It is an arithmetic number, because the mean of its divisors is an integer number (1860917688).

Almost surely, 2^21141034340 is an apocalyptic number.

21141034340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21141034340 is an abundant number, since it is smaller than the sum of its proper divisors (23520990172).

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

21141034340 is a wasteful number, since it uses less digits than its factorization.

21141034340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329827 (or 6329825 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21141034340 its reverse (4343014112), we get a palindrome (25484048452).

The spelling of 21141034340 in words is "twenty-one billion, one hundred forty-one million, thirty-four thousand, three hundred forty".