1466022240 has 480 divisors, whose sum is σ = 5532468480. Its totient is φ = 364953600.

The previous prime is 1466022193. The next prime is 1466022289. The reversal of 1466022240 is 422206641.

1466022240 is a `hidden beast` number, since 14 + 6 + 602 + 2 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16472116 + ... + 16472204.

It is an arithmetic number, because the mean of its divisors is an integer number (11525976).

Almost surely, 2^1466022240 is an apocalyptic number.

1466022240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1466022240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2766234240).

1466022240 is an abundant number, since it is smaller than the sum of its proper divisors (4066446240).

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

1466022240 is a wasteful number, since it uses less digits than its factorization.

1466022240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1466022240 is about 38288.6698645957. The cubic root of 1466022240 is about 1136.0048518605.

Adding to 1466022240 its reverse (422206641), we get a palindrome (1888228881).

The spelling of 1466022240 in words is "one billion, four hundred sixty-six million, twenty-two thousand, two hundred forty".