651140334 has 48 divisors (see below), whose sum is σ = 1534425984. Its totient is φ = 198360000.

The previous prime is 651140323. The next prime is 651140381. The reversal of 651140334 is 433041156.

651140334 is a `hidden beast` number, since 651 + 1 + 4 + 0 + 3 + 3 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 651140298 and 651140307.

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 23 ways as a sum of consecutive naturals, for example, 9859 + ... + 37409.

It is an arithmetic number, because the mean of its divisors is an integer number (31967208).

Almost surely, 2^651140334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651140334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767212992).

651140334 is an abundant number, since it is smaller than the sum of its proper divisors (883285650).

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

651140334 is a wasteful number, since it uses less digits than its factorization.

651140334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27673 (or 27670 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 651140334 is about 25517.4515577085. The cubic root of 651140334 is about 866.7453744757.

The spelling of 651140334 in words is "six hundred fifty-one million, one hundred forty thousand, three hundred thirty-four".