1040004032 has 112 divisors (see below), whose sum is σ = 2227478400. Its totient is φ = 480829440.

The previous prime is 1040004013. The next prime is 1040004037. The reversal of 1040004032 is 2304000401.

It is a junction number, because it is equal to n+sod(n) for n = 1040003998 and 1040004016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040004037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6011498 + ... + 6011670.

It is an arithmetic number, because the mean of its divisors is an integer number (19888200).

Almost surely, 2^1040004032 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 1040004032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1113739200).

1040004032 is an abundant number, since it is smaller than the sum of its proper divisors (1187474368).

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

1040004032 is a wasteful number, since it uses less digits than its factorization.

1040004032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1040004032 is about 32249.0935066398. The cubic root of 1040004032 is about 1013.1607131322.

Adding to 1040004032 its reverse (2304000401), we get a palindrome (3344004433).

The spelling of 1040004032 in words is "one billion, forty million, four thousand, thirty-two".