421783150324572 has 36 divisors (see below), whose sum is σ = 1066221497821480. Its totient is φ = 140588129807712.

The previous prime is 421783150324559. The next prime is 421783150324607. The reversal of 421783150324572 is 275423051387124.

421783150324572 is a `hidden beast` number, since 4 + 2 + 1 + 7 + 8 + 3 + 150 + 32 + 457 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259747447 + ... + 261366222.

Almost surely, 2^{421783150324572} is an apocalyptic number.

It is an amenable number.

421783150324572 is an abundant number, since it is smaller than the sum of its proper divisors (644438347496908).

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

421783150324572 is a wasteful number, since it uses less digits than its factorization.

421783150324572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521136162 (or 521136157 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 421783150324572 in words is "four hundred twenty-one trillion, seven hundred eighty-three billion, one hundred fifty million, three hundred twenty-four thousand, five hundred seventy-two".