654662442 has 96 divisors (see below), whose sum is σ = 1615334400. Its totient is φ = 175869792.

The previous prime is 654662441. The next prime is 654662453. The reversal of 654662442 is 244266456.

It is a self number, because there is not a number n which added to its sum of digits gives 654662442.

It is not an unprimeable number, because it can be changed into a prime (654662441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 910159 + ... + 910877.

It is an arithmetic number, because the mean of its divisors is an integer number (16826400).

Almost surely, 2^654662442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654662442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807667200).

654662442 is an abundant number, since it is smaller than the sum of its proper divisors (960671958).

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

654662442 is a wasteful number, since it uses less digits than its factorization.

654662442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 913 counting only the distinct ones).

The product of its digits is 276480, while the sum is 39.

The square root of 654662442 is about 25586.3721930249. The cubic root of 654662442 is about 868.3053469596.

The spelling of 654662442 in words is "six hundred fifty-four million, six hundred sixty-two thousand, four hundred forty-two".