21602417030442 has 16 divisors (see below), whose sum is σ = 48005371178880. Its totient is φ = 7200805676796.

The previous prime is 21602417030419. The next prime is 21602417030473. The reversal of 21602417030442 is 24403071420612.

21602417030442 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 241 + 70 + 304 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21602417030397 and 21602417030406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200022379858 + ... + 200022379965.

It is an arithmetic number, because the mean of its divisors is an integer number (3000335698680).

Almost surely, 2^{21602417030442} is an apocalyptic number.

21602417030442 is an abundant number, since it is smaller than the sum of its proper divisors (26402954148438).

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

21602417030442 is a wasteful number, since it uses less digits than its factorization.

21602417030442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400044759834 (or 400044759828 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 21602417030442 in words is "twenty-one trillion, six hundred two billion, four hundred seventeen million, thirty thousand, four hundred forty-two".