2402404312 has 128 divisors (see below), whose sum is σ = 5849625600. Its totient is φ = 897523200.

The previous prime is 2402404309. The next prime is 2402404343. The reversal of 2402404312 is 2134042042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 31 ways as a sum of consecutive naturals, for example, 3233013 + ... + 3233755.

It is an arithmetic number, because the mean of its divisors is an integer number (45700200).

Almost surely, 2^2402404312 is an apocalyptic number.

2402404312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2402404312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2924812800).

2402404312 is an abundant number, since it is smaller than the sum of its proper divisors (3447221288).

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

2402404312 is a wasteful number, since it uses less digits than its factorization.

2402404312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2402404312 is about 49014.3276195849. The cubic root of 2402404312 is about 1339.3128414148.

Adding to 2402404312 its reverse (2134042042), we get a palindrome (4536446354).

The spelling of 2402404312 in words is "two billion, four hundred two million, four hundred four thousand, three hundred twelve".