1396090889466 has 512 divisors, whose sum is σ = 3873537884160. Its totient is φ = 324982554624.

The previous prime is 1396090889443. The next prime is 1396090889467. The reversal of 1396090889466 is 6649880906931.

It is a self number, because there is not a number n which added to its sum of digits gives 1396090889466.

It is not an unprimeable number, because it can be changed into a prime (1396090889467) 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 255 ways as a sum of consecutive naturals, for example, 2062172320 + ... + 2062172996.

It is an arithmetic number, because the mean of its divisors is an integer number (7565503680).

Almost surely, 2^{1396090889466} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1396090889466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1936768942080).

1396090889466 is an abundant number, since it is smaller than the sum of its proper divisors (2477446994694).

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

1396090889466 is a wasteful number, since it uses less digits than its factorization.

1396090889466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958.

The product of its (nonzero) digits is 120932352, while the sum is 69.

The spelling of 1396090889466 in words is "one trillion, three hundred ninety-six billion, ninety million, eight hundred eighty-nine thousand, four hundred sixty-six".