361440457685 has 16 divisors (see below), whose sum is σ = 435067594416. Its totient is φ = 288260087808.

The previous prime is 361440457657. The next prime is 361440457691. The reversal of 361440457685 is 586754044163.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 394499044 + 361045958641 = 19862^2 + 600871^2 .

It is a cyclic number.

It is not a de Polignac number, because 361440457685 - 2¹⁴ = 361440441301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 7560377 + ... + 7608033.

It is an arithmetic number, because the mean of its divisors is an integer number (27191724651).

Almost surely, 2^361440457685 is an apocalyptic number.

It is an amenable number.

361440457685 is a deficient number, since it is larger than the sum of its proper divisors (73627136731).

361440457685 is a wasteful number, since it uses less digits than its factorization.

361440457685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52312.

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 361440457685 in words is "three hundred sixty-one billion, four hundred forty million, four hundred fifty-seven thousand, six hundred eighty-five".