1001240411240 has 16 divisors (see below), whose sum is σ = 2252790925380. Its totient is φ = 400496164480.

The previous prime is 1001240411201. The next prime is 1001240411279. The reversal of 1001240411240 is 421140421001.

It is an interprime number because it is at equal distance from previous prime (1001240411201) and next prime (1001240411279).

It can be written as a sum of positive squares in 2 ways, for example, as 979098376036 + 22142035204 = 989494^2 + 148802^2 .

It is a super-2 number, since 2×1001240411240² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12515505101 + ... + 12515505180.

Almost surely, 2^{1001240411240} is an apocalyptic number.

1001240411240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001240411240 is an abundant number, since it is smaller than the sum of its proper divisors (1251550514140).

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

1001240411240 is a wasteful number, since it uses less digits than its factorization.

1001240411240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25031010292 (or 25031010288 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1001240411240 its reverse (421140421001), we get a palindrome (1422380832241).

The spelling of 1001240411240 in words is "one trillion, one billion, two hundred forty million, four hundred eleven thousand, two hundred forty".