1001342040 has 64 divisors (see below), whose sum is σ = 3006547200. Its totient is φ = 266800512.

The previous prime is 1001342011. The next prime is 1001342051. The reversal of 1001342040 is 402431001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180021 + ... + 185499.

It is an arithmetic number, because the mean of its divisors is an integer number (46977300).

Almost surely, 2^1001342040 is an apocalyptic number.

1001342040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001342040 is an abundant number, since it is smaller than the sum of its proper divisors (2005205160).

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

1001342040 is a wasteful number, since it uses less digits than its factorization.

1001342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016 (or 7012 counting only the distinct ones).

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

The square root of 1001342040 is about 31643.9890026526. The cubic root of 1001342040 is about 1000.4471466967.

Adding to 1001342040 its reverse (402431001), we get a palindrome (1403773041).

The spelling of 1001342040 in words is "one billion, one million, three hundred forty-two thousand, forty".