3678040432 has 80 divisors (see below), whose sum is σ = 7998452352. Its totient is φ = 1624008960.

The previous prime is 3678040403. The next prime is 3678040441. The reversal of 3678040432 is 2340408763.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3678040391 and 3678040400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1489663 + ... + 1492129.

Almost surely, 2^3678040432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3678040432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3999226176).

3678040432 is an abundant number, since it is smaller than the sum of its proper divisors (4320411920).

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

3678040432 is a wasteful number, since it uses less digits than its factorization.

3678040432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726 (or 2720 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 3678040432 is about 60646.8501407946. The cubic root of 3678040432 is about 1543.6144414791.

The spelling of 3678040432 in words is "three billion, six hundred seventy-eight million, forty thousand, four hundred thirty-two".