561040334 has 16 divisors (see below), whose sum is σ = 878653440. Its totient is φ = 268169880.

The previous prime is 561040327. The next prime is 561040339. The reversal of 561040334 is 433040165.

561040334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561040339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152699 + ... + 156329.

It is an arithmetic number, because the mean of its divisors is an integer number (54915840).

Almost surely, 2^561040334 is an apocalyptic number.

561040334 is a deficient number, since it is larger than the sum of its proper divisors (317613106).

561040334 is a wasteful number, since it uses less digits than its factorization.

561040334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7015.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 561040334 is about 23686.2900007578. The cubic root of 561040334 is about 824.7671624535.

Adding to 561040334 its reverse (433040165), we get a palindrome (994080499).

The spelling of 561040334 in words is "five hundred sixty-one million, forty thousand, three hundred thirty-four".