364545322640 has 80 divisors (see below), whose sum is σ = 850050704880. Its totient is φ = 145391616000.

The previous prime is 364545322607. The next prime is 364545322699. The reversal of 364545322640 is 46223545463.

It can be written as a sum of positive squares in 8 ways, for example, as 29688668416 + 334856654224 = 172304^2 + 578668^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 364545322591 and 364545322600.

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, 42878390 + ... + 42886890.

It is an arithmetic number, because the mean of its divisors is an integer number (10625633811).

Almost surely, 2^364545322640 is an apocalyptic number.

It is an amenable number.

364545322640 is an abundant number, since it is smaller than the sum of its proper divisors (485505382240).

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

364545322640 is a wasteful number, since it uses less digits than its factorization.

364545322640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020 (or 10014 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 364545322640 in words is "three hundred sixty-four billion, five hundred forty-five million, three hundred twenty-two thousand, six hundred forty".