651340450 has 48 divisors (see below), whose sum is σ = 1277418240. Its totient is φ = 246597120.

The previous prime is 651340447. The next prime is 651340477. The reversal of 651340450 is 54043156.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108631 + ... + 114469.

It is an arithmetic number, because the mean of its divisors is an integer number (26612880).

Almost surely, 2^651340450 is an apocalyptic number.

651340450 is a deficient number, since it is larger than the sum of its proper divisors (626077790).

651340450 is a wasteful number, since it uses less digits than its factorization.

651340450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971 (or 5966 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 651340450 is about 25521.3724160751. The cubic root of 651340450 is about 866.8341581283.

The spelling of 651340450 in words is "six hundred fifty-one million, three hundred forty thousand, four hundred fifty".