361218030 has 64 divisors (see below), whose sum is σ = 889878528. Its totient is φ = 93795840.

The previous prime is 361218019. The next prime is 361218031. The reversal of 361218030 is 30812163.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361218031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339279 + ... + 340341.

It is an arithmetic number, because the mean of its divisors is an integer number (13904352).

Almost surely, 2^361218030 is an apocalyptic number.

361218030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 361218030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444939264).

361218030 is an abundant number, since it is smaller than the sum of its proper divisors (528660498).

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

361218030 is a wasteful number, since it uses less digits than its factorization.

361218030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 361218030 is about 19005.7367655137. The cubic root of 361218030 is about 712.1800545661.

The spelling of 361218030 in words is "three hundred sixty-one million, two hundred eighteen thousand, thirty".