650973960 has 384 divisors, whose sum is σ = 2692085760. Its totient is φ = 132710400.

The previous prime is 650973959. The next prime is 650973971. The reversal of 650973960 is 69379056.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1015240 + ... + 1015880.

It is an arithmetic number, because the mean of its divisors is an integer number (7010640).

Almost surely, 2^650973960 is an apocalyptic number.

650973960 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 650973960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346042880).

650973960 is an abundant number, since it is smaller than the sum of its proper divisors (2041111800).

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

650973960 is a wasteful number, since it uses less digits than its factorization.

650973960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 650973960 is about 25514.1913452102. The cubic root of 650973960 is about 866.6715469811.

The spelling of 650973960 in words is "six hundred fifty million, nine hundred seventy-three thousand, nine hundred sixty".