524403361340 has 144 divisors (see below), whose sum is σ = 1154170918656. Its totient is φ = 199971348480.

The previous prime is 524403361337. The next prime is 524403361379. The reversal of 524403361340 is 43163304425.

It is a self number, because there is not a number n which added to its sum of digits gives 524403361340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2351584469 + ... + 2351584691.

It is an arithmetic number, because the mean of its divisors is an integer number (8015075824).

Almost surely, 2^524403361340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 524403361340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577085459328).

524403361340 is an abundant number, since it is smaller than the sum of its proper divisors (629767557316).

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

524403361340 is a wasteful number, since it uses less digits than its factorization.

524403361340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 524403361340 its reverse (43163304425), we get a palindrome (567566665765).

The spelling of 524403361340 in words is "five hundred twenty-four billion, four hundred three million, three hundred sixty-one thousand, three hundred forty".