440042340166 has 32 divisors (see below), whose sum is σ = 779941739808. Its totient is φ = 183565885440.

The previous prime is 440042340149. The next prime is 440042340167. The reversal of 440042340166 is 661043240044.

It is a super-2 number, since 2×440042340166² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440042340167) 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, 4397371 + ... + 4496326.

It is an arithmetic number, because the mean of its divisors is an integer number (24373179369).

Almost surely, 2^440042340166 is an apocalyptic number.

440042340166 is a deficient number, since it is larger than the sum of its proper divisors (339899399642).

440042340166 is a wasteful number, since it uses less digits than its factorization.

440042340166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8893896.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 440042340166 in words is "four hundred forty billion, forty-two million, three hundred forty thousand, one hundred sixty-six".