520733526642 has 96 divisors (see below), whose sum is σ = 1357582187520. Its totient is φ = 140921169120.

The previous prime is 520733526631. The next prime is 520733526653. The reversal of 520733526642 is 246625337025.

520733526642 is a `hidden beast` number, since 52 + 0 + 7 + 33 + 526 + 6 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (520733526631) and next prime (520733526653).

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 47 ways as a sum of consecutive naturals, for example, 13106467 + ... + 13146137.

It is an arithmetic number, because the mean of its divisors is an integer number (14141481120).

Almost surely, 2^520733526642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520733526642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678791093760).

520733526642 is an abundant number, since it is smaller than the sum of its proper divisors (836848660878).

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

520733526642 is a wasteful number, since it uses less digits than its factorization.

520733526642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45188 (or 45185 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

The spelling of 520733526642 in words is "five hundred twenty billion, seven hundred thirty-three million, five hundred twenty-six thousand, six hundred forty-two".