654440112 has 60 divisors (see below), whose sum is σ = 1837892784. Its totient is φ = 217388160.

The previous prime is 654440089. The next prime is 654440113. The reversal of 654440112 is 211044456.

654440112 is a `hidden beast` number, since 6 + 544 + 4 + 0 + 112 = 666.

It is not an unprimeable number, because it can be changed into a prime (654440113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34437 + ... + 49947.

Almost surely, 2^654440112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654440112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918946392).

654440112 is an abundant number, since it is smaller than the sum of its proper divisors (1183452672).

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

654440112 is a wasteful number, since it uses less digits than its factorization.

654440112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15818 (or 15809 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 654440112 is about 25582.0271284353. The cubic root of 654440112 is about 868.2070407316.

Adding to 654440112 its reverse (211044456), we get a palindrome (865484568).

It can be divided in two parts, 6544 and 40112, that added together give a 6-th power (46656 = 6⁶).

The spelling of 654440112 in words is "six hundred fifty-four million, four hundred forty thousand, one hundred twelve".