361825440 has 48 divisors (see below), whose sum is σ = 1139751648. Its totient is φ = 96486656.

The previous prime is 361825421. The next prime is 361825441. The reversal of 361825440 is 44528163.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (361825441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376422 + ... + 377381.

It is an arithmetic number, because the mean of its divisors is an integer number (23744826).

Almost surely, 2^361825440 is an apocalyptic number.

361825440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

361825440 is an abundant number, since it is smaller than the sum of its proper divisors (777926208).

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

361825440 is a wasteful number, since it uses less digits than its factorization.

361825440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753821 (or 753813 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 361825440 is about 19021.7097023375. The cubic root of 361825440 is about 712.5790223219.

The spelling of 361825440 in words is "three hundred sixty-one million, eight hundred twenty-five thousand, four hundred forty".