21675572254210 has 64 divisors (see below), whose sum is σ = 45324826560000. Its totient is φ = 7310080276992.

The previous prime is 21675572254207. The next prime is 21675572254243. The reversal of 21675572254210 is 1245227557612.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9014035 + ... + 11162614.

It is an arithmetic number, because the mean of its divisors is an integer number (708200415000).

Almost surely, 2^{21675572254210} is an apocalyptic number.

21675572254210 is an abundant number, since it is smaller than the sum of its proper divisors (23649254305790).

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

21675572254210 is a wasteful number, since it uses less digits than its factorization.

21675572254210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20176915.

The product of its (nonzero) digits is 2352000, while the sum is 49.

The spelling of 21675572254210 in words is "twenty-one trillion, six hundred seventy-five billion, five hundred seventy-two million, two hundred fifty-four thousand, two hundred ten".