440234513265666 has 32 divisors (see below), whose sum is σ = 1006251029642880. Its totient is φ = 125781200303616.

The previous prime is 440234513265653. The next prime is 440234513265671. The reversal of 440234513265666 is 666562315432044.

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, 76663420 + ... + 82205528.

It is an arithmetic number, because the mean of its divisors is an integer number (31445344676340).

Almost surely, 2^{440234513265666} is an apocalyptic number.

440234513265666 is an abundant number, since it is smaller than the sum of its proper divisors (566016516377214).

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

440234513265666 is a wasteful number, since it uses less digits than its factorization.

440234513265666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433418.

The product of its (nonzero) digits is 74649600, while the sum is 57.

The spelling of 440234513265666 in words is "four hundred forty trillion, two hundred thirty-four billion, five hundred thirteen million, two hundred sixty-five thousand, six hundred sixty-six".