3432400240 has 40 divisors (see below), whose sum is σ = 7984453248. Its totient is φ = 1372250880.

The previous prime is 3432400219. The next prime is 3432400247. The reversal of 3432400240 is 420042343.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3432400247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161430 + ... + 181450.

Almost surely, 2^3432400240 is an apocalyptic number.

It is an amenable number.

3432400240 is an abundant number, since it is smaller than the sum of its proper divisors (4552053008).

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

3432400240 is a wasteful number, since it uses less digits than its factorization.

3432400240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22177 (or 22171 counting only the distinct ones).

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

The square root of 3432400240 is about 58586.6899559960. The cubic root of 3432400240 is about 1508.4559806119.

Adding to 3432400240 its reverse (420042343), we get a palindrome (3852442583).

The spelling of 3432400240 in words is "three billion, four hundred thirty-two million, four hundred thousand, two hundred forty".