651339040704 has 56 divisors (see below), whose sum is σ = 1880001328128. Its totient is φ = 197375466240.

The previous prime is 651339040697. The next prime is 651339040771. The reversal of 651339040704 is 407040933156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154197472 + ... + 154201695.

It is an arithmetic number, because the mean of its divisors is an integer number (33571452288).

Almost surely, 2^651339040704 is an apocalyptic number.

651339040704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

651339040704 is an abundant number, since it is smaller than the sum of its proper divisors (1228662287424).

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

651339040704 is a wasteful number, since it uses less digits than its factorization.

651339040704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308399193 (or 308399183 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 651339040704 in words is "six hundred fifty-one billion, three hundred thirty-nine million, forty thousand, seven hundred four".