650676264144 has 160 divisors (see below), whose sum is σ = 1749188044800. Its totient is φ = 208255872000.

The previous prime is 650676264127. The next prime is 650676264187. The reversal of 650676264144 is 441462676056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276764569 + ... + 276766919.

It is an arithmetic number, because the mean of its divisors is an integer number (10932425280).

Almost surely, 2^650676264144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650676264144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874594022400).

650676264144 is an abundant number, since it is smaller than the sum of its proper divisors (1098511780656).

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

650676264144 is a wasteful number, since it uses less digits than its factorization.

650676264144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569 (or 4563 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 650676264144 in words is "six hundred fifty billion, six hundred seventy-six million, two hundred sixty-four thousand, one hundred forty-four".