1466640044 has 12 divisors (see below), whose sum is σ = 2626309224. Its totient is φ = 716265984.

The previous prime is 1466640037. The next prime is 1466640047. The reversal of 1466640044 is 4400466641.

It is a junction number, because it is equal to n+sod(n) for n = 1466639986 and 1466640013.

It is not an unprimeable number, because it can be changed into a prime (1466640047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4263317 + ... + 4263660.

It is an arithmetic number, because the mean of its divisors is an integer number (218859102).

Almost surely, 2^1466640044 is an apocalyptic number.

It is an amenable number.

1466640044 is a deficient number, since it is larger than the sum of its proper divisors (1159669180).

1466640044 is a wasteful number, since it uses less digits than its factorization.

1466640044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8527024 (or 8527022 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 1466640044 is about 38296.7367278206. The cubic root of 1466640044 is about 1136.1644060061.

The spelling of 1466640044 in words is "one billion, four hundred sixty-six million, six hundred forty thousand, forty-four".