650149632 has 288 divisors, whose sum is σ = 2225180160. Its totient is φ = 185057280.

The previous prime is 650149613. The next prime is 650149663. The reversal of 650149632 is 236941056.

It is a happy number.

650149632 is a `hidden beast` number, since 6 + 5 + 0 + 14 + 9 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1292293 + ... + 1292795.

It is an arithmetic number, because the mean of its divisors is an integer number (7726320).

Almost surely, 2^650149632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650149632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112590080).

650149632 is an abundant number, since it is smaller than the sum of its proper divisors (1575030528).

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

650149632 is a wasteful number, since it uses less digits than its factorization.

650149632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 650149632 is about 25498.0319240525. The cubic root of 650149632 is about 866.3055705435.

The spelling of 650149632 in words is "six hundred fifty million, one hundred forty-nine thousand, six hundred thirty-two".