2402140040 has 16 divisors (see below), whose sum is σ = 5404815180. Its totient is φ = 960856000.

The previous prime is 2402140031. The next prime is 2402140051. The reversal of 2402140040 is 400412042.

It can be written as a sum of positive squares in 2 ways, for example, as 2357490916 + 44649124 = 48554^2 + 6682^2 .

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, 30026711 + ... + 30026790.

Almost surely, 2^2402140040 is an apocalyptic number.

2402140040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402140040 is an abundant number, since it is smaller than the sum of its proper divisors (3002675140).

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

2402140040 is a wasteful number, since it uses less digits than its factorization.

2402140040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60053512 (or 60053508 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2402140040 is about 49011.6316806531. The cubic root of 2402140040 is about 1339.2637300779.

Adding to 2402140040 its reverse (400412042), we get a palindrome (2802552082).

The spelling of 2402140040 in words is "two billion, four hundred two million, one hundred forty thousand, forty".