361669040 has 40 divisors (see below), whose sum is σ = 847044000. Its totient is φ = 143607296.

The previous prime is 361669039. The next prime is 361669057. The reversal of 361669040 is 40966163.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5540 + ... + 27459.

It is an arithmetic number, because the mean of its divisors is an integer number (21176100).

Almost surely, 2^361669040 is an apocalyptic number.

It is an amenable number.

361669040 is an abundant number, since it is smaller than the sum of its proper divisors (485374960).

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

361669040 is a wasteful number, since it uses less digits than its factorization.

361669040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33149 (or 33143 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 361669040 is about 19017.5981659094. The cubic root of 361669040 is about 712.4763361383.

The spelling of 361669040 in words is "three hundred sixty-one million, six hundred sixty-nine thousand, forty".