4032878420 has 24 divisors (see below), whose sum is σ = 8837265024. Its totient is φ = 1543014176.

The previous prime is 4032878419. The next prime is 4032878429. The reversal of 4032878420 is 248782304.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4032878429) 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, 4383104 + ... + 4384023.

It is an arithmetic number, because the mean of its divisors is an integer number (368219376).

Almost surely, 2^4032878420 is an apocalyptic number.

It is an amenable number.

4032878420 is an abundant number, since it is smaller than the sum of its proper divisors (4804386604).

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

4032878420 is a wasteful number, since it uses less digits than its factorization.

4032878420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8767159 (or 8767157 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 4032878420 is about 63504.9479961995. The cubic root of 4032878420 is about 1591.7384595353.

The spelling of 4032878420 in words is "four billion, thirty-two million, eight hundred seventy-eight thousand, four hundred twenty".