366540020404 has 12 divisors (see below), whose sum is σ = 643727760228. Its totient is φ = 182617803200.

The previous prime is 366540020383. The next prime is 366540020491. The reversal of 366540020404 is 404020045663.

It can be written as a sum of positive squares in 2 ways, for example, as 220843603600 + 145696416804 = 469940^2 + 381702^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 366540020404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163050487 + ... + 163052734.

It is an arithmetic number, because the mean of its divisors is an integer number (53643980019).

Almost surely, 2^366540020404 is an apocalyptic number.

It is an amenable number.

366540020404 is a deficient number, since it is larger than the sum of its proper divisors (277187739824).

366540020404 is a wasteful number, since it uses less digits than its factorization.

366540020404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326103506 (or 326103504 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 366540020404 in words is "three hundred sixty-six billion, five hundred forty million, twenty thousand, four hundred four".