3550140040 has 32 divisors (see below), whose sum is σ = 8000334360. Its totient is φ = 1417830400.

The previous prime is 3550140031. The next prime is 3550140043. The reversal of 3550140040 is 400410553.

3550140040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3216931524 + 333208516 = 56718^2 + 18254^2 .

It is a super-2 number, since 2×3550140040² = 25206988607222403200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3550139993 and 3550140020.

It is not an unprimeable number, because it can be changed into a prime (3550140043) 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, 43591 + ... + 94870.

Almost surely, 2^3550140040 is an apocalyptic number.

It is an amenable number.

3550140040 is an abundant number, since it is smaller than the sum of its proper divisors (4450194320).

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

3550140040 is a wasteful number, since it uses less digits than its factorization.

3550140040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139113 (or 139109 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 3550140040 is about 59583.0516170496. The cubic root of 3550140040 is about 1525.5103607597.

Adding to 3550140040 its reverse (400410553), we get a palindrome (3950550593).

The spelling of 3550140040 in words is "three billion, five hundred fifty million, one hundred forty thousand, forty".