1001400330 has 128 divisors (see below), whose sum is σ = 2846638080. Its totient is φ = 220711680.

The previous prime is 1001400329. The next prime is 1001400371. The reversal of 1001400330 is 330041001.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 700056 + ... + 701484.

It is an arithmetic number, because the mean of its divisors is an integer number (22239360).

Almost surely, 2^1001400330 is an apocalyptic number.

1001400330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001400330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423319040).

1001400330 is an abundant number, since it is smaller than the sum of its proper divisors (1845237750).

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

1001400330 is a wasteful number, since it uses less digits than its factorization.

1001400330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1001400330 is about 31644.9100172524. The cubic root of 1001400330 is about 1000.4665589556.

Adding to 1001400330 its reverse (330041001), we get a palindrome (1331441331).

The spelling of 1001400330 in words is "one billion, one million, four hundred thousand, three hundred thirty".