658442052 has 72 divisors (see below), whose sum is σ = 1698016320. Its totient is φ = 215075520.

The previous prime is 658442033. The next prime is 658442069. The reversal of 658442052 is 250244856.

It is a happy number.

658442052 is a `hidden beast` number, since 6 + 584 + 4 + 20 + 52 = 666.

658442052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 658441998 and 658442016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 963703 + ... + 964385.

It is an arithmetic number, because the mean of its divisors is an integer number (23583560).

Almost surely, 2^658442052 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 658442052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849008160).

658442052 is an abundant number, since it is smaller than the sum of its proper divisors (1039574268).

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

658442052 is a wasteful number, since it uses less digits than its factorization.

658442052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 658442052 is about 25660.1257206585. The cubic root of 658442052 is about 869.9731581096.

It can be divided in two parts, 65844 and 2052, that added together give a triangular number (67896 = T₃₆₈).

The spelling of 658442052 in words is "six hundred fifty-eight million, four hundred forty-two thousand, fifty-two".