1040406000 has 160 divisors (see below), whose sum is σ = 3412281600. Its totient is φ = 272646400.

The previous prime is 1040405999. The next prime is 1040406007. The reversal of 1040406000 is 6040401.

1040406000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040406007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352531 + ... + 355469.

It is an arithmetic number, because the mean of its divisors is an integer number (21326760).

Almost surely, 2^1040406000 is an apocalyptic number.

1040406000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040406000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706140800).

1040406000 is an abundant number, since it is smaller than the sum of its proper divisors (2371875600).

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

1040406000 is a wasteful number, since it uses less digits than its factorization.

1040406000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024 (or 3008 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1040406000 is about 32255.3251417499. The cubic root of 1040406000 is about 1013.2912272824.

Adding to 1040406000 its reverse (6040401), we get a palindrome (1046446401).

The spelling of 1040406000 in words is "one billion, forty million, four hundred six thousand".