2402140242 has 16 divisors (see below), whose sum is σ = 4809883680. Its totient is φ = 799779552.

The previous prime is 2402140241. The next prime is 2402140243. The reversal of 2402140242 is 2420412042.

It is an interprime number because it is at equal distance from previous prime (2402140241) and next prime (2402140243).

It is not an unprimeable number, because it can be changed into a prime (2402140241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227883 + ... + 238190.

It is an arithmetic number, because the mean of its divisors is an integer number (300617730).

Almost surely, 2^2402140242 is an apocalyptic number.

2402140242 is an abundant number, since it is smaller than the sum of its proper divisors (2407743438).

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

2402140242 is a wasteful number, since it uses less digits than its factorization.

2402140242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466937.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2402140242 is about 49011.6337413884. The cubic root of 2402140242 is about 1339.2637676182.

Adding to 2402140242 its reverse (2420412042), we get a palindrome (4822552284).

The spelling of 2402140242 in words is "two billion, four hundred two million, one hundred forty thousand, two hundred forty-two".