652427460 has 120 divisors (see below), whose sum is σ = 2053270296. Its totient is φ = 173422080.

The previous prime is 652427443. The next prime is 652427521. The reversal of 652427460 is 64724256.

652427460 is a `hidden beast` number, since 6 + 524 + 2 + 74 + 60 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1871424 + 650556036 = 1368^2 + 25506^2 .

It is a super-3 number, since 3×652427460³ (a number of 27 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 843634 + ... + 844406.

Almost surely, 2^652427460 is an apocalyptic number.

652427460 is a gapful number since it is divisible by the number (60) 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 652427460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026635148).

652427460 is an abundant number, since it is smaller than the sum of its proper divisors (1400842836).

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

652427460 is a wasteful number, since it uses less digits than its factorization.

652427460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 652427460 is about 25542.6596109332. The cubic root of 652427460 is about 867.3161046084.

The spelling of 652427460 in words is "six hundred fifty-two million, four hundred twenty-seven thousand, four hundred sixty".