652051394060640 has 1920 divisors, whose sum is σ = 2518071558266880. Its totient is φ = 141654675456000.

The previous prime is 652051394060587. The next prime is 652051394060657. The reversal of 652051394060640 is 46060493150256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 494352837901 + ... + 494352839219.

It is an arithmetic number, because the mean of its divisors is an integer number (1311495603264).

Almost surely, 2^{652051394060640} is an apocalyptic number.

652051394060640 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 652051394060640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259035779133440).

652051394060640 is an abundant number, since it is smaller than the sum of its proper divisors (1866020164206240).

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

652051394060640 is a wasteful number, since it uses less digits than its factorization.

652051394060640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 652051394060640 in words is "six hundred fifty-two trillion, fifty-one billion, three hundred ninety-four million, sixty thousand, six hundred forty".