1002400412 has 48 divisors (see below), whose sum is σ = 1913822400. Its totient is φ = 456648192.

The previous prime is 1002400409. The next prime is 1002400417. The reversal of 1002400412 is 2140042001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002400417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1624328 + ... + 1624944.

It is an arithmetic number, because the mean of its divisors is an integer number (39871300).

Almost surely, 2^1002400412 is an apocalyptic number.

It is an amenable number.

1002400412 is a deficient number, since it is larger than the sum of its proper divisors (911421988).

1002400412 is a wasteful number, since it uses less digits than its factorization.

1002400412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1002400412 is about 31660.7076989760. The cubic root of 1002400412 is about 1000.7994979660.

Adding to 1002400412 its reverse (2140042001), we get a palindrome (3142442413).

The spelling of 1002400412 in words is "one billion, two million, four hundred thousand, four hundred twelve".