21714456276 has 36 divisors (see below), whose sum is σ = 56057182272. Its totient is φ = 7084148304.

The previous prime is 21714456271. The next prime is 21714456277. The reversal of 21714456276 is 67265441712.

21714456276 is a `hidden beast` number, since 2 + 1 + 7 + 14 + 4 + 5 + 627 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×21714456276² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21714456271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6415110 + ... + 6418493.

It is an arithmetic number, because the mean of its divisors is an integer number (1557143952).

Almost surely, 2^21714456276 is an apocalyptic number.

It is an amenable number.

21714456276 is an abundant number, since it is smaller than the sum of its proper divisors (34342725996).

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

21714456276 is a wasteful number, since it uses less digits than its factorization.

21714456276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833660 (or 12833655 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

Adding to 21714456276 its reverse (67265441712), we get a palindrome (88979897988).

The spelling of 21714456276 in words is "twenty-one billion, seven hundred fourteen million, four hundred fifty-six thousand, two hundred seventy-six".