650442960 has 280 divisors, whose sum is σ = 2390784480. Its totient is φ = 164042496.

The previous prime is 650442931. The next prime is 650442973. The reversal of 650442960 is 69244056.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1107787 + ... + 1108373.

It is an arithmetic number, because the mean of its divisors is an integer number (8538516).

Almost surely, 2^650442960 is an apocalyptic number.

650442960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650442960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195392240).

650442960 is an abundant number, since it is smaller than the sum of its proper divisors (1740341520).

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

650442960 is a wasteful number, since it uses less digits than its factorization.

650442960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 650442960 is about 25503.7832487653. The cubic root of 650442960 is about 866.4358346456.

The spelling of 650442960 in words is "six hundred fifty million, four hundred forty-two thousand, nine hundred sixty".