2400342012 has 60 divisors (see below), whose sum is σ = 6288914016. Its totient is φ = 798336000.

The previous prime is 2400342011. The next prime is 2400342019. The reversal of 2400342012 is 2102430042.

2400342012 is a `hidden beast` number, since 240 + 0 + 3 + 420 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400342011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 142012 + ... + 158012.

Almost surely, 2^2400342012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2400342012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3144457008).

2400342012 is an abundant number, since it is smaller than the sum of its proper divisors (3888572004).

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

2400342012 is a wasteful number, since it uses less digits than its factorization.

2400342012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16480 (or 16469 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2400342012 is about 48993.2853766718. The cubic root of 2400342012 is about 1338.9294955053.

Adding to 2400342012 its reverse (2102430042), we get a palindrome (4502772054).

The spelling of 2400342012 in words is "two billion, four hundred million, three hundred forty-two thousand, twelve".