1394344046592 has 728 divisors, whose sum is σ = 5030736584960. Its totient is φ = 377308938240.

The previous prime is 1394344046581. The next prime is 1394344046609. The reversal of 1394344046592 is 2956404434931.

It is a happy number.

1394344046592 is a `hidden beast` number, since 1 + 3 + 9 + 4 + 3 + 4 + 4 + 0 + 46 + 592 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 397134117 + ... + 397137627.

Almost surely, 2^{1394344046592} is an apocalyptic number.

1394344046592 is a gapful number since it is divisible by the number (12) 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 1394344046592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2515368292480).

1394344046592 is an abundant number, since it is smaller than the sum of its proper divisors (3636392538368).

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

1394344046592 is an frugal number, since it uses more digits than its factorization.

1394344046592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579 (or 3542 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 1394344046592 in words is "one trillion, three hundred ninety-four billion, three hundred forty-four million, forty-six thousand, five hundred ninety-two".