1396092191440 has 20 divisors (see below), whose sum is σ = 3245914345284. Its totient is φ = 558436876544.

The previous prime is 1396092191383. The next prime is 1396092191441. The reversal of 1396092191440 is 441912906931.

It can be written as a sum of positive squares in 2 ways, for example, as 370822538304 + 1025269653136 = 608952^2 + 1012556^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396092191441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8725576117 + ... + 8725576276.

Almost surely, 2^{1396092191440} is an apocalyptic number.

1396092191440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1396092191440 is an abundant number, since it is smaller than the sum of its proper divisors (1849822153844).

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

1396092191440 is a wasteful number, since it uses less digits than its factorization.

1396092191440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17451152406 (or 17451152400 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 1396092191440 in words is "one trillion, three hundred ninety-six billion, ninety-two million, one hundred ninety-one thousand, four hundred forty".