1001050440 has 128 divisors (see below), whose sum is σ = 3424498560. Its totient is φ = 231911424.

The previous prime is 1001050433. The next prime is 1001050447. The reversal of 1001050440 is 440501001.

1001050440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1001050433) and next prime (1001050447).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1001050447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7647 + ... + 45393.

It is an arithmetic number, because the mean of its divisors is an integer number (26753895).

Almost surely, 2^1001050440 is an apocalyptic number.

1001050440 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 1001050440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1712249280).

1001050440 is an abundant number, since it is smaller than the sum of its proper divisors (2423448120).

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

1001050440 is a wasteful number, since it uses less digits than its factorization.

1001050440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37791 (or 37787 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1001050440 is about 31639.3811570328. The cubic root of 1001050440 is about 1000.3500241355.

Adding to 1001050440 its reverse (440501001), we get a palindrome (1441551441).

The spelling of 1001050440 in words is "one billion, one million, fifty thousand, four hundred forty".