6408078032 has 20 divisors (see below), whose sum is σ = 12843778020. Its totient is φ = 3093554688.

The previous prime is 6408078029. The next prime is 6408078037. The reversal of 6408078032 is 2308708046.

It can be written as a sum of positive squares in 2 ways, for example, as 2315149456 + 4092928576 = 48116^2 + 63976^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6408078037) 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, 6904793 + ... + 6905720.

It is an arithmetic number, because the mean of its divisors is an integer number (642188901).

Almost surely, 2^6408078032 is an apocalyptic number.

It is an amenable number.

6408078032 is an abundant number, since it is smaller than the sum of its proper divisors (6435699988).

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

6408078032 is a wasteful number, since it uses less digits than its factorization.

6408078032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13810550 (or 13810544 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 6408078032 is about 80050.4717787472. The cubic root of 6408078032 is about 1857.4163488393.

The spelling of 6408078032 in words is "six billion, four hundred eight million, seventy-eight thousand, thirty-two".