361546540 has 12 divisors (see below), whose sum is σ = 759247776. Its totient is φ = 144618608.

The previous prime is 361546529. The next prime is 361546541. The reversal of 361546540 is 45645163.

It is a junction number, because it is equal to n+sod(n) for n = 361546496 and 361546505.

It is not an unprimeable number, because it can be changed into a prime (361546541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9038644 + ... + 9038683.

It is an arithmetic number, because the mean of its divisors is an integer number (63270648).

Almost surely, 2^361546540 is an apocalyptic number.

It is an amenable number.

361546540 is an abundant number, since it is smaller than the sum of its proper divisors (397701236).

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

361546540 is a wasteful number, since it uses less digits than its factorization.

361546540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18077336 (or 18077334 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 361546540 is about 19014.3771920092. The cubic root of 361546540 is about 712.3958867058.

The spelling of 361546540 in words is "three hundred sixty-one million, five hundred forty-six thousand, five hundred forty".