4020103240 has 16 divisors (see below), whose sum is σ = 9045232380. Its totient is φ = 1608041280.

The previous prime is 4020103207. The next prime is 4020103289. The reversal of 4020103240 is 423010204.

It can be written as a sum of positive squares in 2 ways, for example, as 4012715716 + 7387524 = 63346^2 + 2718^2 .

It is a super-2 number, since 2×4020103240² = 32322460120516995200, which contains 22 as substring.

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, 50251251 + ... + 50251330.

Almost surely, 2^4020103240 is an apocalyptic number.

4020103240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4020103240 is an abundant number, since it is smaller than the sum of its proper divisors (5025129140).

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

4020103240 is a wasteful number, since it uses less digits than its factorization.

4020103240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100502592 (or 100502588 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4020103240 is about 63404.2840823867. The cubic root of 4020103240 is about 1590.0559346381.

Adding to 4020103240 its reverse (423010204), we get a palindrome (4443113444).

The spelling of 4020103240 in words is "four billion, twenty million, one hundred three thousand, two hundred forty".