654405443052 has 48 divisors (see below), whose sum is σ = 1589697319392. Its totient is φ = 209332200960.

The previous prime is 654405443051. The next prime is 654405443171. The reversal of 654405443052 is 250344504456.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 654405442995 and 654405443013.

It is not an unprimeable number, because it can be changed into a prime (654405443051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10062699 + ... + 10127522.

It is an arithmetic number, because the mean of its divisors is an integer number (33118694154).

Almost surely, 2^654405443052 is an apocalyptic number.

It is an amenable number.

654405443052 is an abundant number, since it is smaller than the sum of its proper divisors (935291876340).

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

654405443052 is a wasteful number, since it uses less digits than its factorization.

654405443052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20190338 (or 20190336 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 654405443052 in words is "six hundred fifty-four billion, four hundred five million, four hundred forty-three thousand, fifty-two".