650490264 has 80 divisors (see below), whose sum is σ = 1827429120. Its totient is φ = 216181440.

The previous prime is 650490259. The next prime is 650490277. The reversal of 650490264 is 462094056.

650490264 is a `hidden beast` number, since 6 + 504 + 90 + 2 + 64 = 666.

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 19 ways as a sum of consecutive naturals, for example, 246874 + ... + 249494.

It is an arithmetic number, because the mean of its divisors is an integer number (22842864).

Almost surely, 2^650490264 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 650490264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913714560).

650490264 is an abundant number, since it is smaller than the sum of its proper divisors (1176938856).

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

650490264 is a wasteful number, since it uses less digits than its factorization.

650490264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022 (or 3009 counting only the distinct ones).

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

The square root of 650490264 is about 25504.7106237260. The cubic root of 650490264 is about 866.4568382230.

The spelling of 650490264 in words is "six hundred fifty million, four hundred ninety thousand, two hundred sixty-four".