21314462030456 has 64 divisors (see below), whose sum is σ = 46537349515200. Its totient is φ = 8962081809408.

The previous prime is 21314462030443. The next prime is 21314462030461. The reversal of 21314462030456 is 65403026441312.

It is a congruent number.

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, 89850530 + ... + 90087438.

It is an arithmetic number, because the mean of its divisors is an integer number (727146086175).

Almost surely, 2^{21314462030456} is an apocalyptic number.

It is an amenable number.

21314462030456 is an abundant number, since it is smaller than the sum of its proper divisors (25222887484744).

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

21314462030456 is a wasteful number, since it uses less digits than its factorization.

21314462030456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267288 (or 267284 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 21314462030456 its reverse (65403026441312), we get a palindrome (86717488471768).

The spelling of 21314462030456 in words is "twenty-one trillion, three hundred fourteen billion, four hundred sixty-two million, thirty thousand, four hundred fifty-six".