522520422343240 has 64 divisors (see below), whose sum is σ = 1178639364539520. Its totient is φ = 208480483200000.

The previous prime is 522520422343223. The next prime is 522520422343261. The reversal of 522520422343240 is 42343224025225.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 522520422343193 and 522520422343202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534140565 + ... + 535117915.

It is an arithmetic number, because the mean of its divisors is an integer number (18416240070930).

Almost surely, 2^{522520422343240} is an apocalyptic number.

It is an amenable number.

522520422343240 is an abundant number, since it is smaller than the sum of its proper divisors (656118942196280).

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

522520422343240 is a wasteful number, since it uses less digits than its factorization.

522520422343240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011094 (or 1011090 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 40.

Adding to 522520422343240 its reverse (42343224025225), we get a palindrome (564863646368465).

The spelling of 522520422343240 in words is "five hundred twenty-two trillion, five hundred twenty billion, four hundred twenty-two million, three hundred forty-three thousand, two hundred forty".