322948502640 has 240 divisors, whose sum is σ = 1091297215008. Its totient is φ = 85587093504.

The previous prime is 322948502621. The next prime is 322948502677. The reversal of 322948502640 is 46205849223.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82445962 + ... + 82449878.

Almost surely, 2^322948502640 is an apocalyptic number.

322948502640 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 322948502640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545648607504).

322948502640 is an abundant number, since it is smaller than the sum of its proper divisors (768348712368).

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

322948502640 is a wasteful number, since it uses less digits than its factorization.

322948502640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616 (or 4607 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 322948502640 in words is "three hundred twenty-two billion, nine hundred forty-eight million, five hundred two thousand, six hundred forty".