4078732032 has 108 divisors (see below), whose sum is σ = 11782343664. Its totient is φ = 1356994560.

The previous prime is 4078732003. The next prime is 4078732039. The reversal of 4078732032 is 2302378704.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4078732039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1503157 + ... + 1505867.

Almost surely, 2^4078732032 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 4078732032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5891171832).

4078732032 is an abundant number, since it is smaller than the sum of its proper divisors (7703611632).

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

4078732032 is a wasteful number, since it uses less digits than its factorization.

4078732032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386 (or 3369 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 4078732032 is about 63864.9515148959. The cubic root of 4078732032 is about 1597.7483995877.

The spelling of 4078732032 in words is "four billion, seventy-eight million, seven hundred thirty-two thousand, thirty-two".