1392666390304 has 96 divisors (see below), whose sum is σ = 3244686681600. Its totient is φ = 575718312960.

The previous prime is 1392666390301. The next prime is 1392666390319. The reversal of 1392666390304 is 4030936662931.

It is not an unprimeable number, because it can be changed into a prime (1392666390301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6646174 + ... + 6852514.

It is an arithmetic number, because the mean of its divisors is an integer number (33798819600).

Almost surely, 2^{1392666390304} is an apocalyptic number.

1392666390304 is a gapful number since it is divisible by the number (14) 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 1392666390304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622343340800).

1392666390304 is an abundant number, since it is smaller than the sum of its proper divisors (1852020291296).

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

1392666390304 is a wasteful number, since it uses less digits than its factorization.

1392666390304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207426 (or 207418 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 52.

The spelling of 1392666390304 in words is "one trillion, three hundred ninety-two billion, six hundred sixty-six million, three hundred ninety thousand, three hundred four".