322561606140 has 36 divisors (see below), whose sum is σ = 978436872504. Its totient is φ = 86016428256.

The previous prime is 322561606121. The next prime is 322561606181. The reversal of 322561606140 is 41606165223.

322561606140 is a `hidden beast` number, since 3 + 2 + 2 + 5 + 6 + 1 + 606 + 1 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 322561606095 and 322561606104.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 896004282 + ... + 896004641.

It is an arithmetic number, because the mean of its divisors is an integer number (27178802014).

Almost surely, 2^322561606140 is an apocalyptic number.

322561606140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

322561606140 is an abundant number, since it is smaller than the sum of its proper divisors (655875266364).

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

322561606140 is a wasteful number, since it uses less digits than its factorization.

322561606140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792008938 (or 1792008933 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 322561606140 in words is "three hundred twenty-two billion, five hundred sixty-one million, six hundred six thousand, one hundred forty".