3405640702208 has 36 divisors (see below), whose sum is σ = 6860344948380. Its totient is φ = 1687198132224.

The previous prime is 3405640702201. The next prime is 3405640702241. The reversal of 3405640702208 is 8022070465043.

It can be written as a sum of positive squares in 2 ways, for example, as 2506420916224 + 899219785984 = 1583168^2 + 948272^2 .

It is not an unprimeable number, because it can be changed into a prime (3405640702201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60996335 + ... + 61052142.

It is an arithmetic number, because the mean of its divisors is an integer number (190565137455).

Almost surely, 2^{3405640702208} is an apocalyptic number.

It is an amenable number.

3405640702208 is an abundant number, since it is smaller than the sum of its proper divisors (3454704246172).

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

3405640702208 is a wasteful number, since it uses less digits than its factorization.

3405640702208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122048602 (or 122048588 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 3405640702208 in words is "three trillion, four hundred five billion, six hundred forty million, seven hundred two thousand, two hundred eight".