21482148924 has 36 divisors (see below), whose sum is σ = 56174587560. Its totient is φ = 6913794720.

The previous prime is 21482148901. The next prime is 21482148943. The reversal of 21482148924 is 42984128412.

21482148924 is a `hidden beast` number, since 2 + 1 + 482 + 148 + 9 + 24 = 666.

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

It is a super-2 number, since 2×21482148924² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21482148924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10287342 + ... + 10289429.

It is an arithmetic number, because the mean of its divisors is an integer number (1560405210).

Almost surely, 2^21482148924 is an apocalyptic number.

It is an amenable number.

21482148924 is an abundant number, since it is smaller than the sum of its proper divisors (34692438636).

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

21482148924 is a wasteful number, since it uses less digits than its factorization.

21482148924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20576810 (or 20576805 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The spelling of 21482148924 in words is "twenty-one billion, four hundred eighty-two million, one hundred forty-eight thousand, nine hundred twenty-four".