3200401278 has 24 divisors (see below), whose sum is σ = 6951172800. Its totient is φ = 1064189664.

The previous prime is 3200401229. The next prime is 3200401289. The reversal of 3200401278 is 8721040023.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209998 + ... + 224721.

It is an arithmetic number, because the mean of its divisors is an integer number (289632200).

Almost surely, 2^3200401278 is an apocalyptic number.

3200401278 is an abundant number, since it is smaller than the sum of its proper divisors (3750771522).

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

3200401278 is a wasteful number, since it uses less digits than its factorization.

3200401278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435136 (or 435133 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 3200401278 is about 56572.0892136750. The cubic root of 3200401278 is about 1473.6741935813.

The spelling of 3200401278 in words is "three billion, two hundred million, four hundred one thousand, two hundred seventy-eight".