322420620262540 has 96 divisors (see below), whose sum is σ = 688177528915968. Its totient is φ = 126860722560000.

The previous prime is 322420620262519. The next prime is 322420620262561. The reversal of 322420620262540 is 45262026024223.

It is an interprime number because it is at equal distance from previous prime (322420620262519) and next prime (322420620262561).

It is a junction number, because it is equal to n+sod(n) for n = 322420620262493 and 322420620262502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2852188420 + ... + 2852301460.

It is an arithmetic number, because the mean of its divisors is an integer number (7168515926208).

Almost surely, 2^{322420620262540} is an apocalyptic number.

It is an amenable number.

322420620262540 is an abundant number, since it is smaller than the sum of its proper divisors (365756908653428).

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

322420620262540 is a wasteful number, since it uses less digits than its factorization.

322420620262540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116159 (or 116157 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 322420620262540 its reverse (45262026024223), we get a palindrome (367682646286763).

The spelling of 322420620262540 in words is "three hundred twenty-two trillion, four hundred twenty billion, six hundred twenty million, two hundred sixty-two thousand, five hundred forty".