651884032 has 80 divisors (see below), whose sum is σ = 1370885472. Its totient is φ = 309084160.

The previous prime is 651884029. The next prime is 651884039. The reversal of 651884032 is 230488156.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 651883982 and 651884000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651884039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2319732 + ... + 2320012.

Almost surely, 2^651884032 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 651884032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685442736).

651884032 is an abundant number, since it is smaller than the sum of its proper divisors (719001440).

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

651884032 is a wasteful number, since it uses less digits than its factorization.

651884032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 651884032 is about 25532.0197399266. The cubic root of 651884032 is about 867.0752324778.

The spelling of 651884032 in words is "six hundred fifty-one million, eight hundred eighty-four thousand, thirty-two".