1002540412 has 24 divisors (see below), whose sum is σ = 1768120704. Its totient is φ = 497374512.

The previous prime is 1002540389. The next prime is 1002540433. The reversal of 1002540412 is 2140452001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002540412.

It is a congruent number.

It is an unprimeable number.

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, 524763 + ... + 526669.

It is an arithmetic number, because the mean of its divisors is an integer number (73671696).

Almost surely, 2^1002540412 is an apocalyptic number.

It is an amenable number.

1002540412 is a deficient number, since it is larger than the sum of its proper divisors (765580292).

1002540412 is a wasteful number, since it uses less digits than its factorization.

1002540412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865 (or 2863 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1002540412 is about 31662.9185641501. The cubic root of 1002540412 is about 1000.8460879333.

Adding to 1002540412 its reverse (2140452001), we get a palindrome (3142992413).

The spelling of 1002540412 in words is "one billion, two million, five hundred forty thousand, four hundred twelve".