520214021434040 has 32 divisors (see below), whose sum is σ = 1170678632706000. Its totient is φ = 208050571332864.

The previous prime is 520214021434007. The next prime is 520214021434139. The reversal of 520214021434040 is 40434120412025.

It is a junction number, because it is equal to n+sod(n) for n = 520214021433988 and 520214021434006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094673245 + ... + 1095148364.

Almost surely, 2^{520214021434040} is an apocalyptic number.

It is an amenable number.

520214021434040 is an abundant number, since it is smaller than the sum of its proper divisors (650464611271960).

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

520214021434040 is a wasteful number, since it uses less digits than its factorization.

520214021434040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189827559 (or 2189827555 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 520214021434040 its reverse (40434120412025), we get a palindrome (560648141846065).

The spelling of 520214021434040 in words is "five hundred twenty trillion, two hundred fourteen billion, twenty-one million, four hundred thirty-four thousand, forty".