652674687840 has 576 divisors, whose sum is σ = 2682808128000. Its totient is φ = 141151444992.

The previous prime is 652674687839. The next prime is 652674687887. The reversal of 652674687840 is 48786476256.

652674687840 is a `hidden beast` number, since 6 + 5 + 2 + 67 + 468 + 78 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 197838511 + ... + 197841809.

It is an arithmetic number, because the mean of its divisors is an integer number (4657653000).

Almost surely, 2^652674687840 is an apocalyptic number.

652674687840 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 652674687840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341404064000).

652674687840 is an abundant number, since it is smaller than the sum of its proper divisors (2030133440160).

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

652674687840 is a wasteful number, since it uses less digits than its factorization.

652674687840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379 (or 4368 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 63.

The spelling of 652674687840 in words is "six hundred fifty-two billion, six hundred seventy-four million, six hundred eighty-seven thousand, eight hundred forty".