1001351040 has 64 divisors (see below), whose sum is σ = 3191812560. Its totient is φ = 267026432.

The previous prime is 1001351033. The next prime is 1001351041. The reversal of 1001351040 is 401531001.

It is a tau number, because it is divible by the number of its divisors (64).

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 (1001351041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258849 + ... + 262688.

Almost surely, 2^1001351040 is an apocalyptic number.

1001351040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001351040 is an abundant number, since it is smaller than the sum of its proper divisors (2190461520).

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

1001351040 is an equidigital number, since it uses as much as digits as its factorization.

1001351040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521559 (or 521547 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1001351040 is about 31644.1312094360. The cubic root of 1001351040 is about 1000.4501440066.

Adding to 1001351040 its reverse (401531001), we get a palindrome (1402882041).

The spelling of 1001351040 in words is "one billion, one million, three hundred fifty-one thousand, forty".