1000540000 has 120 divisors (see below), whose sum is σ = 2592014040. Its totient is φ = 379008000.

The previous prime is 1000539983. The next prime is 1000540003. The reversal of 1000540000 is 450001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000540003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 378684 + ... + 381316.

It is an arithmetic number, because the mean of its divisors is an integer number (21600117).

Almost surely, 2^1000540000 is an apocalyptic number.

1000540000 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 1000540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296007020).

1000540000 is an abundant number, since it is smaller than the sum of its proper divisors (1591474040).

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

1000540000 is an equidigital number, since it uses as much as digits as its factorization.

1000540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 1000540000 is about 31631.3135990272. The cubic root of 1000540000 is about 1000.1799676097.

Adding to 1000540000 its reverse (450001), we get a palindrome (1000990001).

It can be divided in two parts, 10005 and 40000, that added together give a palindrome (50005).

The spelling of 1000540000 in words is "one billion, five hundred forty thousand".