652026140 has 48 divisors (see below), whose sum is σ = 1443264480. Its totient is φ = 247054080.

The previous prime is 652026139. The next prime is 652026163. The reversal of 652026140 is 41620256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20135 + ... + 41345.

It is an arithmetic number, because the mean of its divisors is an integer number (30068010).

Almost surely, 2^652026140 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 652026140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721632240).

652026140 is an abundant number, since it is smaller than the sum of its proper divisors (791238340).

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

652026140 is a wasteful number, since it uses less digits than its factorization.

652026140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21302 (or 21300 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 652026140 is about 25534.8025251812. The cubic root of 652026140 is about 867.1382341614.

Adding to 652026140 its reverse (41620256), we get a palindrome (693646396).

The spelling of 652026140 in words is "six hundred fifty-two million, twenty-six thousand, one hundred forty".