1466023140140 has 96 divisors (see below), whose sum is σ = 3350873401344. Its totient is φ = 535524433920.

The previous prime is 1466023140097. The next prime is 1466023140149. The reversal of 1466023140140 is 410413206641.

It is a junction number, because it is equal to n+sod(n) for n = 1466023140097 and 1466023140106.

It is not an unprimeable number, because it can be changed into a prime (1466023140149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81224597 + ... + 81242643.

It is an arithmetic number, because the mean of its divisors is an integer number (34904931264).

Almost surely, 2^{1466023140140} is an apocalyptic number.

1466023140140 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 1466023140140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675436700672).

1466023140140 is an abundant number, since it is smaller than the sum of its proper divisors (1884850261204).

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

1466023140140 is a wasteful number, since it uses less digits than its factorization.

1466023140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21387 (or 21385 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 1466023140140 its reverse (410413206641), we get a palindrome (1876436346781).

The spelling of 1466023140140 in words is "one trillion, four hundred sixty-six billion, twenty-three million, one hundred forty thousand, one hundred forty".