2402240440 has 32 divisors (see below), whose sum is σ = 5432220000. Its totient is φ = 956064384.

The previous prime is 2402240411. The next prime is 2402240441. The reversal of 2402240440 is 440422042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402240441) 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, 142935 + ... + 158854.

It is an arithmetic number, because the mean of its divisors is an integer number (169756875).

Almost surely, 2^2402240440 is an apocalyptic number.

2402240440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402240440 is an abundant number, since it is smaller than the sum of its proper divisors (3029979560).

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

2402240440 is a wasteful number, since it uses less digits than its factorization.

2402240440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301999 (or 301995 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2402240440 is about 49012.6559166099. The cubic root of 2402240440 is about 1339.2823884690.

Adding to 2402240440 its reverse (440422042), we get a palindrome (2842662482).

The spelling of 2402240440 in words is "two billion, four hundred two million, two hundred forty thousand, four hundred forty".