652489306740 has 192 divisors, whose sum is σ = 2163190176000. Its totient is φ = 164839193856.

The previous prime is 652489306709. The next prime is 652489306837. The reversal of 652489306740 is 47603984256.

652489306740 is a `hidden beast` number, since 6 + 524 + 89 + 30 + 6 + 7 + 4 + 0 = 666.

It is a super-3 number, since 3×652489306740³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 438496 + ... + 1223624.

It is an arithmetic number, because the mean of its divisors is an integer number (11266615500).

Almost surely, 2^652489306740 is an apocalyptic number.

652489306740 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 652489306740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081595088000).

652489306740 is an abundant number, since it is smaller than the sum of its proper divisors (1510700869260).

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

652489306740 is a wasteful number, since it uses less digits than its factorization.

652489306740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785178 (or 785158 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 652489306740 in words is "six hundred fifty-two billion, four hundred eighty-nine million, three hundred six thousand, seven hundred forty".