21466246242504 has 64 divisors (see below), whose sum is σ = 64560139084800. Its totient is φ = 5810412515904.

The previous prime is 21466246242487. The next prime is 21466246242601. The reversal of 21466246242504 is 40524264266412.

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, 3362504052 + ... + 3362510435.

It is an arithmetic number, because the mean of its divisors is an integer number (1008752173200).

Almost surely, 2^{21466246242504} is an apocalyptic number.

21466246242504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21466246242504 is an abundant number, since it is smaller than the sum of its proper divisors (43093892842296).

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

21466246242504 is a wasteful number, since it uses less digits than its factorization.

21466246242504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725014522 (or 6725014518 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 48.

The spelling of 21466246242504 in words is "twenty-one trillion, four hundred sixty-six billion, two hundred forty-six million, two hundred forty-two thousand, five hundred four".