3402403240 has 16 divisors (see below), whose sum is σ = 7655407380. Its totient is φ = 1360961280.

The previous prime is 3402403231. The next prime is 3402403243. The reversal of 3402403240 is 423042043.

It can be written as a sum of positive squares in 2 ways, for example, as 3173970244 + 228432996 = 56338^2 + 15114^2 .

It is not an unprimeable number, because it can be changed into a prime (3402403243) 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, 42530001 + ... + 42530080.

Almost surely, 2^3402403240 is an apocalyptic number.

It is an amenable number.

3402403240 is an abundant number, since it is smaller than the sum of its proper divisors (4253004140).

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

3402403240 is a wasteful number, since it uses less digits than its factorization.

3402403240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85060092 (or 85060088 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 3402403240 is about 58330.1229211803. The cubic root of 3402403240 is about 1504.0488009007.

Adding to 3402403240 its reverse (423042043), we get a palindrome (3825445283).

The spelling of 3402403240 in words is "three billion, four hundred two million, four hundred three thousand, two hundred forty".