1466028440 has 32 divisors (see below), whose sum is σ = 3404972160. Its totient is φ = 567494400.

The previous prime is 1466028379. The next prime is 1466028449. The reversal of 1466028440 is 448206641.

It is a self number, because there is not a number n which added to its sum of digits gives 1466028440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1466028449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589901 + ... + 592380.

It is an arithmetic number, because the mean of its divisors is an integer number (106405380).

Almost surely, 2^1466028440 is an apocalyptic number.

1466028440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1466028440 is an abundant number, since it is smaller than the sum of its proper divisors (1938943720).

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

1466028440 is a wasteful number, since it uses less digits than its factorization.

1466028440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182323 (or 1182319 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 1466028440 is about 38288.7508284091. The cubic root of 1466028440 is about 1136.0064532960.

The spelling of 1466028440 in words is "one billion, four hundred sixty-six million, twenty-eight thousand, four hundred forty".