3240404608878 has 16 divisors (see below), whose sum is σ = 7200899130960. Its totient is φ = 1080134869608.

The previous prime is 3240404608783. The next prime is 3240404608879. The reversal of 3240404608878 is 8788064040423.

It is a happy number.

3240404608878 is a `hidden beast` number, since 3 + 24 + 0 + 4 + 0 + 4 + 608 + 8 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 60007492757 = 3240404608878 / (3 + 2 + 4 + 0 + 4 + 0 + 4 + 6 + 0 + 8 + 8 + 7 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240404608879) 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, 30003746325 + ... + 30003746432.

It is an arithmetic number, because the mean of its divisors is an integer number (450056195685).

Almost surely, 2^{3240404608878} is an apocalyptic number.

3240404608878 is an abundant number, since it is smaller than the sum of its proper divisors (3960494522082).

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

3240404608878 is a wasteful number, since it uses less digits than its factorization.

3240404608878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60007492768 (or 60007492762 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

The spelling of 3240404608878 in words is "three trillion, two hundred forty billion, four hundred four million, six hundred eight thousand, eight hundred seventy-eight".