21140414342 has 8 divisors (see below), whose sum is σ = 32484051432. Its totient is φ = 10312397200.

The previous prime is 21140414329. The next prime is 21140414357. The reversal of 21140414342 is 24341404112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128904884 + ... + 128905047.

It is an arithmetic number, because the mean of its divisors is an integer number (4060506429).

Almost surely, 2^21140414342 is an apocalyptic number.

21140414342 is a deficient number, since it is larger than the sum of its proper divisors (11343637090).

21140414342 is a wasteful number, since it uses less digits than its factorization.

21140414342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257809974.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 21140414342 its reverse (24341404112), we get a palindrome (45481818454).

The spelling of 21140414342 in words is "twenty-one billion, one hundred forty million, four hundred fourteen thousand, three hundred forty-two".