21457983024096 has 48 divisors (see below), whose sum is σ = 59291795203200. Its totient is φ = 6776205164928.

The previous prime is 21457983024083. The next prime is 21457983024097. The reversal of 21457983024096 is 69042038975412.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21457983024097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5882120716 + ... + 5882124363.

It is an arithmetic number, because the mean of its divisors is an integer number (1235245733400).

It is a 1-persistent number, because it is pandigital, but 2⋅21457983024096 = 42915966048192 is not.

Almost surely, 2^{21457983024096} is an apocalyptic number.

It is an amenable number.

21457983024096 is an abundant number, since it is smaller than the sum of its proper divisors (37833812179104).

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

21457983024096 is a wasteful number, since it uses less digits than its factorization.

21457983024096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11764245111 (or 11764245103 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 21457983024096 in words is "twenty-one trillion, four hundred fifty-seven billion, nine hundred eighty-three million, twenty-four thousand, ninety-six".