366131374640 has 80 divisors (see below), whose sum is σ = 855377172000. Its totient is φ = 145745166336.

The previous prime is 366131374603. The next prime is 366131374649. The reversal of 366131374640 is 46473131663.

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

It is a junction number, because it is equal to n+sod(n) for n = 366131374591 and 366131374600.

It is not an unprimeable number, because it can be changed into a prime (366131374649) 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, 13959779 + ... + 13985981.

It is an arithmetic number, because the mean of its divisors is an integer number (10692214650).

Almost surely, 2^366131374640 is an apocalyptic number.

It is an amenable number.

366131374640 is an abundant number, since it is smaller than the sum of its proper divisors (489245797360).

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

366131374640 is a wasteful number, since it uses less digits than its factorization.

366131374640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27054 (or 27048 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 366131374640 in words is "three hundred sixty-six billion, one hundred thirty-one million, three hundred seventy-four thousand, six hundred forty".