322687985505480 has 768 divisors, whose sum is σ = 1215530634240000. Its totient is φ = 72719689199616.

The previous prime is 322687985505427. The next prime is 322687985505511. The reversal of 322687985505480 is 84505589786223.

322687985505480 is a `hidden beast` number, since 3 + 2 + 2 + 6 + 8 + 7 + 98 + 5 + 50 + 5 + 480 = 666.

It is a super-2 number, since 2×322687985505480² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 322687985505399 and 322687985505408.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 59768099821 + ... + 59768105219.

It is an arithmetic number, because the mean of its divisors is an integer number (1582722180000).

Almost surely, 2^{322687985505480} is an apocalyptic number.

322687985505480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322687985505480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607765317120000).

322687985505480 is an abundant number, since it is smaller than the sum of its proper divisors (892842648734520).

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

322687985505480 is a wasteful number, since it uses less digits than its factorization.

322687985505480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6498 (or 6491 counting only the distinct ones).

The product of its (nonzero) digits is 1161216000, while the sum is 72.

The spelling of 322687985505480 in words is "three hundred twenty-two trillion, six hundred eighty-seven billion, nine hundred eighty-five million, five hundred five thousand, four hundred eighty".