650432152144 has 20 divisors (see below), whose sum is σ = 1334342430324. Its totient is φ = 306085718528.

The previous prime is 650432152109. The next prime is 650432152157. The reversal of 650432152144 is 441251234056.

It can be written as a sum of positive squares in 2 ways, for example, as 477326228544 + 173105923600 = 690888^2 + 416060^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1195647067 + ... + 1195647610.

Almost surely, 2^650432152144 is an apocalyptic number.

It is an amenable number.

650432152144 is an abundant number, since it is smaller than the sum of its proper divisors (683910278180).

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

650432152144 is a wasteful number, since it uses less digits than its factorization.

650432152144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391294702 (or 2391294696 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 650432152144 in words is "six hundred fifty billion, four hundred thirty-two million, one hundred fifty-two thousand, one hundred forty-four".