1002442512340 has 12 divisors (see below), whose sum is σ = 2105129275956. Its totient is φ = 400977004928.

The previous prime is 1002442512263. The next prime is 1002442512361. The reversal of 1002442512340 is 432152442001.

It can be written as a sum of positive squares in 2 ways, for example, as 524969804304 + 477472708036 = 724548^2 + 690994^2 .

It is a super-3 number, since 3×1002442512340³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002442512299 and 1002442512308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25061062789 + ... + 25061062828.

It is an arithmetic number, because the mean of its divisors is an integer number (175427439663).

Almost surely, 2^{1002442512340} is an apocalyptic number.

1002442512340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002442512340 is an abundant number, since it is smaller than the sum of its proper divisors (1102686763616).

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

1002442512340 is a wasteful number, since it uses less digits than its factorization.

1002442512340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50122125626 (or 50122125624 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1002442512340 its reverse (432152442001), we get a palindrome (1434594954341).

The spelling of 1002442512340 in words is "one trillion, two billion, four hundred forty-two million, five hundred twelve thousand, three hundred forty".