21850040067052 has 12 divisors (see below), whose sum is σ = 38237779069056. Its totient is φ = 10924960333040.

The previous prime is 21850040067001. The next prime is 21850040067073. The reversal of 21850040067052 is 25076004005812.

It is a junction number, because it is equal to n+sod(n) for n = 21850040066996 and 21850040067014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14096524 + ... + 15569587.

It is an arithmetic number, because the mean of its divisors is an integer number (3186481589088).

Almost surely, 2^{21850040067052} is an apocalyptic number.

It is an amenable number.

21850040067052 is a deficient number, since it is larger than the sum of its proper divisors (16387739002004).

21850040067052 is a wasteful number, since it uses less digits than its factorization.

21850040067052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29850248 (or 29850246 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 21850040067052 in words is "twenty-one trillion, eight hundred fifty billion, forty million, sixty-seven thousand, fifty-two".