652103640 has 96 divisors (see below), whose sum is σ = 2122539120. Its totient is φ = 173631744.

The previous prime is 652103593. The next prime is 652103653. The reversal of 652103640 is 46301256.

652103640 is a `hidden beast` number, since 6 + 5 + 2 + 10 + 3 + 640 = 666.

It is a congruent number.

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, 403474 + ... + 405086.

Almost surely, 2^652103640 is an apocalyptic number.

652103640 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 652103640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1061269560).

652103640 is an abundant number, since it is smaller than the sum of its proper divisors (1470435480).

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

652103640 is a wasteful number, since it uses less digits than its factorization.

652103640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753 (or 2746 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 652103640 is about 25536.3200167918. The cubic root of 652103640 is about 867.1725888938.

Adding to 652103640 its reverse (46301256), we get a palindrome (698404896).

The spelling of 652103640 in words is "six hundred fifty-two million, one hundred three thousand, six hundred forty".