650285940 has 48 divisors (see below), whose sum is σ = 1830890880. Its totient is φ = 172448640.

The previous prime is 650285939. The next prime is 650285941. The reversal of 650285940 is 49582056.

It is an interprime number because it is at equal distance from previous prime (650285939) and next prime (650285941).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650285941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19080 + ... + 40799.

It is an arithmetic number, because the mean of its divisors is an integer number (38143560).

Almost surely, 2^650285940 is an apocalyptic number.

650285940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

650285940 is an abundant number, since it is smaller than the sum of its proper divisors (1180604940).

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

650285940 is a wasteful number, since it uses less digits than its factorization.

650285940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60072 (or 60070 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 650285940 is about 25500.7046961452. The cubic root of 650285940 is about 866.3661084681.

The spelling of 650285940 in words is "six hundred fifty million, two hundred eighty-five thousand, nine hundred forty".