2400032142 has 12 divisors (see below), whose sum is σ = 5200069680. Its totient is φ = 800010708.

The previous prime is 2400032123. The next prime is 2400032147. The reversal of 2400032142 is 2412300042.

2400032142 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 133335119 = 2400032142 / (2 + 4 + 0 + 0 + 0 + 3 + 2 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400032147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66667542 + ... + 66667577.

It is an arithmetic number, because the mean of its divisors is an integer number (433339140).

Almost surely, 2^2400032142 is an apocalyptic number.

2400032142 is an abundant number, since it is smaller than the sum of its proper divisors (2800037538).

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

2400032142 is a wasteful number, since it uses less digits than its factorization.

2400032142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133335127 (or 133335124 counting only the distinct ones).

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

The square root of 2400032142 is about 48990.1229024790. The cubic root of 2400032142 is about 1338.8718770582.

Adding to 2400032142 its reverse (2412300042), we get a palindrome (4812332184).

The spelling of 2400032142 in words is "two billion, four hundred million, thirty-two thousand, one hundred forty-two".