3400393930794 has 72 divisors (see below), whose sum is σ = 8687783260260. Its totient is φ = 958232322432.

The previous prime is 3400393930793. The next prime is 3400393930859. The reversal of 3400393930794 is 4970393930043.

It can be written as a sum of positive squares in 2 ways, for example, as 3311508260025 + 88885670769 = 1819755^2 + 298137^2 .

It is a super-2 number, since 2×3400393930794² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3400393930794.

It is not an unprimeable number, because it can be changed into a prime (3400393930793) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26341929 + ... + 26470700.

Almost surely, 2^{3400393930794} is an apocalyptic number.

3400393930794 is an abundant number, since it is smaller than the sum of its proper divisors (5287389329466).

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

3400393930794 is a wasteful number, since it uses less digits than its factorization.

3400393930794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52812724 (or 52812714 counting only the distinct ones).

The product of its (nonzero) digits is 6613488, while the sum is 54.

The spelling of 3400393930794 in words is "three trillion, four hundred billion, three hundred ninety-three million, nine hundred thirty thousand, seven hundred ninety-four".