650366490 has 32 divisors (see below), whose sum is σ = 1582266816. Its totient is φ = 171054720.

The previous prime is 650366489. The next prime is 650366491. The reversal of 650366490 is 94663056.

It is a happy number.

650366490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (650366489) and next prime (650366491).

It is not an unprimeable number, because it can be changed into a prime (650366491) 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, 146296 + ... + 150675.

It is an arithmetic number, because the mean of its divisors is an integer number (49445838).

Almost surely, 2^650366490 is an apocalyptic number.

650366490 is an abundant number, since it is smaller than the sum of its proper divisors (931900326).

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

650366490 is a wasteful number, since it uses less digits than its factorization.

650366490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297054.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 650366490 is about 25502.2840153583. The cubic root of 650366490 is about 866.4018788395.

The spelling of 650366490 in words is "six hundred fifty million, three hundred sixty-six thousand, four hundred ninety".