2402040440 has 16 divisors (see below), whose sum is σ = 5404591080. Its totient is φ = 960816160.

The previous prime is 2402040437. The next prime is 2402040457. The reversal of 2402040440 is 440402042.

2402040440 is digitally balanced in base 2, because in such base 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 (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30025466 + ... + 30025545.

Almost surely, 2^2402040440 is an apocalyptic number.

2402040440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402040440 is an abundant number, since it is smaller than the sum of its proper divisors (3002550640).

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

2402040440 is a wasteful number, since it uses less digits than its factorization.

2402040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60051022 (or 60051018 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2402040440 is about 49010.6155847894. The cubic root of 2402040440 is about 1339.2452198455.

Adding to 2402040440 its reverse (440402042), we get a palindrome (2842442482).

The spelling of 2402040440 in words is "two billion, four hundred two million, forty thousand, four hundred forty".