21400302014 has 48 divisors (see below), whose sum is σ = 40090263840. Its totient is φ = 8388282240.

The previous prime is 21400301983. The next prime is 21400302023. The reversal of 21400302014 is 41020300412.

It is a junction number, because it is equal to n+sod(n) for n = 21400301983 and 21400302001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216404 + ... + 299384.

It is an arithmetic number, because the mean of its divisors is an integer number (835213830).

Almost surely, 2^21400302014 is an apocalyptic number.

21400302014 is a deficient number, since it is larger than the sum of its proper divisors (18689961826).

21400302014 is a wasteful number, since it uses less digits than its factorization.

21400302014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83125 (or 83112 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21400302014 its reverse (41020300412), we get a palindrome (62420602426).

The spelling of 21400302014 in words is "twenty-one billion, four hundred million, three hundred two thousand, fourteen".