651320040322 has 16 divisors (see below), whose sum is σ = 1143781535232. Its totient is φ = 272328936480.

The previous prime is 651320040307. The next prime is 651320040331. The reversal of 651320040322 is 223040023156.

651320040322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567351378 + ... + 567352525.

It is an arithmetic number, because the mean of its divisors is an integer number (71486345952).

Almost surely, 2^651320040322 is an apocalyptic number.

651320040322 is a deficient number, since it is larger than the sum of its proper divisors (492461494910).

651320040322 is a wasteful number, since it uses less digits than its factorization.

651320040322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134703953.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 651320040322 its reverse (223040023156), we get a palindrome (874360063478).

The spelling of 651320040322 in words is "six hundred fifty-one billion, three hundred twenty million, forty thousand, three hundred twenty-two".