651770496 has 256 divisors, whose sum is σ = 2107728000. Its totient is φ = 197074944.

The previous prime is 651770489. The next prime is 651770519. The reversal of 651770496 is 694077156.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3998511 + ... + 3998673.

Almost surely, 2^651770496 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 651770496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053864000).

651770496 is an abundant number, since it is smaller than the sum of its proper divisors (1455957504).

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

651770496 is a wasteful number, since it uses less digits than its factorization.

651770496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 651770496 is about 25529.7962389048. The cubic root of 651770496 is about 867.0248912287.

The spelling of 651770496 in words is "six hundred fifty-one million, seven hundred seventy thousand, four hundred ninety-six".