1030040000 has 140 divisors (see below), whose sum is σ = 2787551448. Its totient is φ = 374400000.

The previous prime is 1030039991. The next prime is 1030040021. The reversal of 1030040000 is 400301.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1030040000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 438830 + ... + 441170.

Almost surely, 2^1030040000 is an apocalyptic number.

1030040000 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 1030040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393775724).

1030040000 is an abundant number, since it is smaller than the sum of its proper divisors (1757511448).

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

1030040000 is an equidigital number, since it uses as much as digits as its factorization.

1030040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1030040000 is about 32094.2362426651. The cubic root of 1030040000 is about 1009.9147070410.

Adding to 1030040000 its reverse (400301), we get a palindrome (1030440301).

The spelling of 1030040000 in words is "one billion, thirty million, forty thousand".