361555542402644 has 24 divisors (see below), whose sum is σ = 632985034227336. Its totient is φ = 180702682160000.

The previous prime is 361555542402617. The next prime is 361555542402749. The reversal of 361555542402644 is 446204245555163.

It can be written as a sum of positive squares in 4 ways, for example, as 26029791763600 + 335525750639044 = 5101940^2 + 18317362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 361555542402644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218686694 + ... + 220333794.

It is an arithmetic number, because the mean of its divisors is an integer number (26374376426139).

Almost surely, 2^{361555542402644} is an apocalyptic number.

It is an amenable number.

361555542402644 is a deficient number, since it is larger than the sum of its proper divisors (271429491824692).

361555542402644 is a wasteful number, since it uses less digits than its factorization.

361555542402644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669867 (or 1669865 counting only the distinct ones).

The product of its (nonzero) digits is 69120000, while the sum is 56.

The spelling of 361555542402644 in words is "three hundred sixty-one trillion, five hundred fifty-five billion, five hundred forty-two million, four hundred two thousand, six hundred forty-four".