3555040140 has 72 divisors (see below), whose sum is σ = 10931383008. Its totient is φ = 935020800.

The previous prime is 3555040129. The next prime is 3555040157. The reversal of 3555040140 is 410405553.

3555040140 is a `hidden beast` number, since 35 + 550 + 40 + 1 + 40 = 666.

It is a super-2 number, since 2×3555040140² = 25276620794022439200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122136 + ... + 148415.

It is an arithmetic number, because the mean of its divisors is an integer number (151824764).

Almost surely, 2^3555040140 is an apocalyptic number.

3555040140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3555040140 is an abundant number, since it is smaller than the sum of its proper divisors (7376342868).

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

3555040140 is a wasteful number, since it uses less digits than its factorization.

3555040140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270639 (or 270634 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 3555040140 is about 59624.1573525362. The cubic root of 3555040140 is about 1526.2119027329.

Adding to 3555040140 its reverse (410405553), we get a palindrome (3965445693).

The spelling of 3555040140 in words is "three billion, five hundred fifty-five million, forty thousand, one hundred forty".