21480014815416 has 96 divisors (see below), whose sum is σ = 59861182792320. Its totient is φ = 6954045926400.

The previous prime is 21480014815381. The next prime is 21480014815423. The reversal of 21480014815416 is 61451841008412.

21480014815416 is a `hidden beast` number, since 2 + 1 + 4 + 80 + 0 + 148 + 15 + 416 = 666.

It is a super-2 number, since 2×21480014815416² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15656565 + ... + 16973156.

It is an arithmetic number, because the mean of its divisors is an integer number (623553987420).

Almost surely, 2^{21480014815416} is an apocalyptic number.

It is an amenable number.

21480014815416 is an abundant number, since it is smaller than the sum of its proper divisors (38381167976904).

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

21480014815416 is a wasteful number, since it uses less digits than its factorization.

21480014815416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32629997 (or 32629990 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 21480014815416 in words is "twenty-one trillion, four hundred eighty billion, fourteen million, eight hundred fifteen thousand, four hundred sixteen".