652405776 has 80 divisors (see below), whose sum is σ = 1883504448. Its totient is φ = 192870400.

The previous prime is 652405771. The next prime is 652405781. The reversal of 652405776 is 677504256.

It is an interprime number because it is at equal distance from previous prime (652405771) and next prime (652405781).

It is not an unprimeable number, because it can be changed into a prime (652405771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6580 + ... + 36716.

Almost surely, 2^652405776 is an apocalyptic number.

652405776 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 652405776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941752224).

652405776 is an abundant number, since it is smaller than the sum of its proper divisors (1231098672).

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

652405776 is a wasteful number, since it uses less digits than its factorization.

652405776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30200 (or 30194 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 652405776 is about 25542.2351410365. The cubic root of 652405776 is about 867.3064958310.

The spelling of 652405776 in words is "six hundred fifty-two million, four hundred five thousand, seven hundred seventy-six".