361155240 has 64 divisors (see below), whose sum is σ = 1203854400. Its totient is φ = 96307776.

The previous prime is 361155227. The next prime is 361155329. The reversal of 361155240 is 42551163.

361155240 is a `hidden beast` number, since 3 + 611 + 5 + 5 + 2 + 40 = 666.

361155240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 166122 + ... + 168281.

It is an arithmetic number, because the mean of its divisors is an integer number (18810225).

Almost surely, 2^361155240 is an apocalyptic number.

361155240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

361155240 is an abundant number, since it is smaller than the sum of its proper divisors (842699160).

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

361155240 is a wasteful number, since it uses less digits than its factorization.

361155240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334423 (or 334413 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 361155240 is about 19004.0848240582. The cubic root of 361155240 is about 712.1387864369.

The spelling of 361155240 in words is "three hundred sixty-one million, one hundred fifty-five thousand, two hundred forty".