651540096 has 288 divisors, whose sum is σ = 2116826400. Its totient is φ = 191766528.

The previous prime is 651540083. The next prime is 651540101. The reversal of 651540096 is 690045156.

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 a self number, because there is not a number n which added to its sum of digits gives 651540096.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6325581 + ... + 6325683.

Almost surely, 2^651540096 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 651540096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058413200).

651540096 is an abundant number, since it is smaller than the sum of its proper divisors (1465286304).

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

651540096 is a wasteful number, since it uses less digits than its factorization.

651540096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 651540096 is about 25525.2834656150. The cubic root of 651540096 is about 866.9227151410.

The spelling of 651540096 in words is "six hundred fifty-one million, five hundred forty thousand, ninety-six".