4155213240 has 48 divisors (see below), whose sum is σ = 13504444200. Its totient is φ = 1108056768.

The previous prime is 4155213239. The next prime is 4155213263. The reversal of 4155213240 is 423125514.

4155213240 is a `hidden beast` number, since 41 + 552 + 1 + 32 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5770770 + ... + 5771489.

Almost surely, 2^4155213240 is an apocalyptic number.

4155213240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4155213240 is an abundant number, since it is smaller than the sum of its proper divisors (9349230960).

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

4155213240 is a wasteful number, since it uses less digits than its factorization.

4155213240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11542276 (or 11542269 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4155213240 is about 64460.9435239665. The cubic root of 4155213240 is about 1607.6731997196.

Adding to 4155213240 its reverse (423125514), we get a palindrome (4578338754).

The spelling of 4155213240 in words is "four billion, one hundred fifty-five million, two hundred thirteen thousand, two hundred forty".