361918800 has 480 divisors, whose sum is σ = 1417052160. Its totient is φ = 87436800.

The previous prime is 361918789. The next prime is 361918801. The reversal of 361918800 is 8819163.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361918801) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7700377 + ... + 7700423.

It is an arithmetic number, because the mean of its divisors is an integer number (2952192).

Almost surely, 2^361918800 is an apocalyptic number.

361918800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361918800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708526080).

361918800 is an abundant number, since it is smaller than the sum of its proper divisors (1055133360).

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

361918800 is a wasteful number, since it uses less digits than its factorization.

361918800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 361918800 is about 19024.1635821394. The cubic root of 361918800 is about 712.6403047795.

The spelling of 361918800 in words is "three hundred sixty-one million, nine hundred eighteen thousand, eight hundred".