366476634640 has 80 divisors (see below), whose sum is σ = 863150112000. Its totient is φ = 144692614656.

The previous prime is 366476634607. The next prime is 366476634653. The reversal of 366476634640 is 46436674663.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2213461 + ... + 2373259.

It is an arithmetic number, because the mean of its divisors is an integer number (10789376400).

Almost surely, 2^366476634640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 366476634640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431575056000).

366476634640 is an abundant number, since it is smaller than the sum of its proper divisors (496673477360).

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

366476634640 is a wasteful number, since it uses less digits than its factorization.

366476634640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160184 (or 160178 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 55.

The spelling of 366476634640 in words is "three hundred sixty-six billion, four hundred seventy-six million, six hundred thirty-four thousand, six hundred forty".