21467755435252 has 12 divisors (see below), whose sum is σ = 42935510870560. Its totient is φ = 9200466615096.

The previous prime is 21467755435201. The next prime is 21467755435279. The reversal of 21467755435252 is 25253455776412.

21467755435252 is an admirable number.

It is a congruent number.

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, 383352775602 + ... + 383352775657.

Almost surely, 2^{21467755435252} is an apocalyptic number.

It is an amenable number.

21467755435252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21467755435252 is a wasteful number, since it uses less digits than its factorization.

21467755435252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766705551270 (or 766705551268 counting only the distinct ones).

The product of its digits is 70560000, while the sum is 58.

The spelling of 21467755435252 in words is "twenty-one trillion, four hundred sixty-seven billion, seven hundred fifty-five million, four hundred thirty-five thousand, two hundred fifty-two".