366440540641 has 16 divisors (see below), whose sum is σ = 419596568064. Its totient is φ = 313486677504.

The previous prime is 366440540633. The next prime is 366440540651. The reversal of 366440540641 is 146045044663.

It is not a de Polignac number, because 366440540641 - 2³ = 366440540633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (366440540651) 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, 16500441 + ... + 16522633.

It is an arithmetic number, because the mean of its divisors is an integer number (26224785504).

Almost surely, 2^366440540641 is an apocalyptic number.

It is an amenable number.

366440540641 is a deficient number, since it is larger than the sum of its proper divisors (53156027423).

366440540641 is a wasteful number, since it uses less digits than its factorization.

366440540641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26640.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 366440540641 in words is "three hundred sixty-six billion, four hundred forty million, five hundred forty thousand, six hundred forty-one".