21462484528 has 10 divisors (see below), whose sum is σ = 41583563804. Its totient is φ = 10731242256.

The previous prime is 21462484499. The next prime is 21462484559. The reversal of 21462484528 is 82548426412.

It is a super-2 number, since 2×21462484528² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670702626 + ... + 670702657.

Almost surely, 2^21462484528 is an apocalyptic number.

It is an amenable number.

21462484528 is a deficient number, since it is larger than the sum of its proper divisors (20121079276).

21462484528 is a wasteful number, since it uses less digits than its factorization.

21462484528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341405291 (or 1341405285 counting only the distinct ones).

The product of its digits is 983040, while the sum is 46.

The spelling of 21462484528 in words is "twenty-one billion, four hundred sixty-two million, four hundred eighty-four thousand, five hundred twenty-eight".