650601340256 has 48 divisors (see below), whose sum is σ = 1465834245120. Its totient is φ = 278451768960.

The previous prime is 650601340243. The next prime is 650601340307. The reversal of 650601340256 is 652043106056.

It is a happy number.

It is a super-2 number, since 2×650601340256² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1799600 + ... + 2130671.

It is an arithmetic number, because the mean of its divisors is an integer number (30538213440).

Almost surely, 2^650601340256 is an apocalyptic number.

It is an amenable number.

650601340256 is an abundant number, since it is smaller than the sum of its proper divisors (815232904864).

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

650601340256 is a wasteful number, since it uses less digits than its factorization.

650601340256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931027 (or 3931019 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 650601340256 in words is "six hundred fifty billion, six hundred one million, three hundred forty thousand, two hundred fifty-six".