366650640 has 120 divisors (see below), whose sum is σ = 1271132928. Its totient is φ = 94613760.

The previous prime is 366650633. The next prime is 366650663. The reversal of 366650640 is 46056663.

366650640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a junction number, because it is equal to n+sod(n) for n = 366650595 and 366650604.

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 23 ways as a sum of consecutive naturals, for example, 14107 + ... + 30533.

Almost surely, 2^366650640 is an apocalyptic number.

366650640 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 366650640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635566464).

366650640 is an abundant number, since it is smaller than the sum of its proper divisors (904482288).

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

366650640 is a wasteful number, since it uses less digits than its factorization.

366650640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16477 (or 16468 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 366650640 is about 19148.1236678689. The cubic root of 366650640 is about 715.7326280283.

The spelling of 366650640 in words is "three hundred sixty-six million, six hundred fifty thousand, six hundred forty".