1001430240 has 96 divisors (see below), whose sum is σ = 3201690240. Its totient is φ = 263053824.

The previous prime is 1001430223. The next prime is 1001430247. The reversal of 1001430240 is 420341001.

1001430240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

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 (1001430247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16591 + ... + 47729.

It is an arithmetic number, because the mean of its divisors is an integer number (33350940).

Almost surely, 2^1001430240 is an apocalyptic number.

1001430240 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 1001430240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600845120).

1001430240 is an abundant number, since it is smaller than the sum of its proper divisors (2200260000).

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

1001430240 is a wasteful number, since it uses less digits than its factorization.

1001430240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31224 (or 31216 counting only the distinct ones).

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

The square root of 1001430240 is about 31645.3826015740. The cubic root of 1001430240 is about 1000.4765195597.

Adding to 1001430240 its reverse (420341001), we get a palindrome (1421771241).

The spelling of 1001430240 in words is "one billion, one million, four hundred thirty thousand, two hundred forty".