1394040552336 has 160 divisors (see below), whose sum is σ = 4065416622080. Its totient is φ = 457262112384.

The previous prime is 1394040552283. The next prime is 1394040552371. The reversal of 1394040552336 is 6332550404931.

1394040552336 is a `hidden beast` number, since 1 + 3 + 9 + 4 + 0 + 405 + 5 + 233 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1394040552291 and 1394040552300.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27963945 + ... + 28013751.

It is an arithmetic number, because the mean of its divisors is an integer number (25408853888).

Almost surely, 2^{1394040552336} is an apocalyptic number.

1394040552336 is a gapful number since it is divisible by the number (16) 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 1394040552336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032708311040).

1394040552336 is an abundant number, since it is smaller than the sum of its proper divisors (2671376069744).

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

1394040552336 is a wasteful number, since it uses less digits than its factorization.

1394040552336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50858 (or 50846 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 1394040552336 in words is "one trillion, three hundred ninety-four billion, forty million, five hundred fifty-two thousand, three hundred thirty-six".