1394966208240 has 480 divisors, whose sum is σ = 5312922451200. Its totient is φ = 337344860160.

The previous prime is 1394966208203. The next prime is 1394966208253. The reversal of 1394966208240 is 428026694931.

1394966208240 is a `hidden beast` number, since 1 + 3 + 9 + 4 + 9 + 6 + 620 + 8 + 2 + 4 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89591176 + ... + 89606744.

It is an arithmetic number, because the mean of its divisors is an integer number (11068588440).

Almost surely, 2^{1394966208240} is an apocalyptic number.

1394966208240 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 1394966208240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2656461225600).

1394966208240 is an abundant number, since it is smaller than the sum of its proper divisors (3917956242960).

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

1394966208240 is a wasteful number, since it uses less digits than its factorization.

1394966208240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16027 (or 16009 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 1394966208240 in words is "one trillion, three hundred ninety-four billion, nine hundred sixty-six million, two hundred eight thousand, two hundred forty".