361640546402 has 8 divisors (see below), whose sum is σ = 547437524700. Its totient is φ = 179161371504.

The previous prime is 361640546359. The next prime is 361640546413. The reversal of 361640546402 is 204645046163.

It can be written as a sum of positive squares in 2 ways, for example, as 306250453201 + 55390093201 = 553399^2 + 235351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 361640546402.

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 3 ways as a sum of consecutive naturals, for example, 829450577 + ... + 829451012.

Almost surely, 2^361640546402 is an apocalyptic number.

361640546402 is a deficient number, since it is larger than the sum of its proper divisors (185796978298).

361640546402 is a wasteful number, since it uses less digits than its factorization.

361640546402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658901700.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 361640546402 in words is "three hundred sixty-one billion, six hundred forty million, five hundred forty-six thousand, four hundred two".