652459860 has 288 divisors, whose sum is σ = 2311545600. Its totient is φ = 153280512.

The previous prime is 652459831. The next prime is 652459879. The reversal of 652459860 is 68954256.

652459860 is a `hidden beast` number, since 6 + 52 + 4 + 598 + 6 + 0 = 666.

It is a super-2 number, since 2×652459860² = 851407737822439200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1452916 + ... + 1453364.

It is an arithmetic number, because the mean of its divisors is an integer number (8026200).

Almost surely, 2^652459860 is an apocalyptic number.

652459860 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 652459860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1155772800).

652459860 is an abundant number, since it is smaller than the sum of its proper divisors (1659085740).

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

652459860 is a wasteful number, since it uses less digits than its factorization.

652459860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 652459860 is about 25543.2938361520. The cubic root of 652459860 is about 867.3304615438.

The spelling of 652459860 in words is "six hundred fifty-two million, four hundred fifty-nine thousand, eight hundred sixty".