1001330540 has 48 divisors (see below), whose sum is σ = 2405894400. Its totient is φ = 342927552.

The previous prime is 1001330489. The next prime is 1001330543. The reversal of 1001330540 is 450331001.

It is not an unprimeable number, because it can be changed into a prime (1001330543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139151 + ... + 146169.

It is an arithmetic number, because the mean of its divisors is an integer number (50122800).

Almost surely, 2^1001330540 is an apocalyptic number.

1001330540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001330540 is an abundant number, since it is smaller than the sum of its proper divisors (1404563860).

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

1001330540 is a wasteful number, since it uses less digits than its factorization.

1001330540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054 (or 8052 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1001330540 is about 31643.8072930550. The cubic root of 1001330540 is about 1000.4433167745.

Adding to 1001330540 its reverse (450331001), we get a palindrome (1451661541).

The spelling of 1001330540 in words is "one billion, one million, three hundred thirty thousand, five hundred forty".