361878450 has 48 divisors (see below), whose sum is σ = 907575840. Its totient is φ = 95413120.

The previous prime is 361878431. The next prime is 361878467. The reversal of 361878450 is 54878163.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204 + ... + 26903.

It is an arithmetic number, because the mean of its divisors is an integer number (18907830).

Almost surely, 2^361878450 is an apocalyptic number.

361878450 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 361878450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453787920).

361878450 is an abundant number, since it is smaller than the sum of its proper divisors (545697390).

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

361878450 is a wasteful number, since it uses less digits than its factorization.

361878450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27211 (or 27206 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 361878450 is about 19023.1030591752. The cubic root of 361878450 is about 712.6138199206.

The spelling of 361878450 in words is "three hundred sixty-one million, eight hundred seventy-eight thousand, four hundred fifty".