650552050840 has 32 divisors (see below), whose sum is σ = 1469573778960. Its totient is φ = 259184080000.

The previous prime is 650552050829. The next prime is 650552050847. The reversal of 650552050840 is 48050255056.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 650552050793 and 650552050802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650552050847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32387971 + ... + 32408050.

Almost surely, 2^650552050840 is an apocalyptic number.

It is an amenable number.

650552050840 is an abundant number, since it is smaller than the sum of its proper divisors (819021728120).

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

650552050840 is a wasteful number, since it uses less digits than its factorization.

650552050840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64796283 (or 64796279 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 650552050840 in words is "six hundred fifty billion, five hundred fifty-two million, fifty thousand, eight hundred forty".