2400077842 has 8 divisors (see below), whose sum is σ = 3676715136. Its totient is φ = 1174506132.

The previous prime is 2400077839. The next prime is 2400077843. The reversal of 2400077842 is 2487700042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2400077798 and 2400077807.

It is not an unprimeable number, because it can be changed into a prime (2400077843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12766278 + ... + 12766465.

It is an arithmetic number, because the mean of its divisors is an integer number (459589392).

Almost surely, 2^2400077842 is an apocalyptic number.

2400077842 is a deficient number, since it is larger than the sum of its proper divisors (1276637294).

2400077842 is a wasteful number, since it uses less digits than its factorization.

2400077842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25532792.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 2400077842 is about 48990.5893208073. The cubic root of 2400077842 is about 1338.8803750078.

Adding to 2400077842 its reverse (2487700042), we get a palindrome (4887777884).

The spelling of 2400077842 in words is "two billion, four hundred million, seventy-seven thousand, eight hundred forty-two".