650564451156040 has 64 divisors (see below), whose sum is σ = 1467867642134400. Its totient is φ = 259497333468672.

The previous prime is 650564451156017. The next prime is 650564451156043. The reversal of 650564451156040 is 40651154465056.

It is not an unprimeable number, because it can be changed into a prime (650564451156043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199693604 + ... + 1200235756.

It is an arithmetic number, because the mean of its divisors is an integer number (22935431908350).

Almost surely, 2^{650564451156040} is an apocalyptic number.

It is an amenable number.

650564451156040 is an abundant number, since it is smaller than the sum of its proper divisors (817303190978360).

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

650564451156040 is a wasteful number, since it uses less digits than its factorization.

650564451156040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626086 (or 626082 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 52.

The spelling of 650564451156040 in words is "six hundred fifty trillion, five hundred sixty-four billion, four hundred fifty-one million, one hundred fifty-six thousand, forty".