361422240 has 96 divisors (see below), whose sum is σ = 1146882240. Its totient is φ = 95668224.

The previous prime is 361422221. The next prime is 361422247. The reversal of 361422240 is 42224163.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 361422240.

It is not an unprimeable number, because it can be changed into a prime (361422247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64012 + ... + 69428.

It is an arithmetic number, because the mean of its divisors is an integer number (11946690).

Almost surely, 2^361422240 is an apocalyptic number.

361422240 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 361422240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573441120).

361422240 is an abundant number, since it is smaller than the sum of its proper divisors (785460000).

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

361422240 is a wasteful number, since it uses less digits than its factorization.

361422240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574 (or 5566 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 361422240 is about 19011.1083317096. The cubic root of 361422240 is about 712.3142365826.

The spelling of 361422240 in words is "three hundred sixty-one million, four hundred twenty-two thousand, two hundred forty".