4208213197755 has 144 divisors (see below), whose sum is σ = 9262524660480. Its totient is φ = 1822503872448.

The previous prime is 4208213197697. The next prime is 4208213197757. The reversal of 4208213197755 is 5577913128024.

4208213197755 is a `hidden beast` number, since 4 + 208 + 2 + 1 + 319 + 77 + 55 = 666.

It is not a de Polignac number, because 4208213197755 - 2⁸ = 4208213197499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4208213197757) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 728959 + ... + 2991288.

It is an arithmetic number, because the mean of its divisors is an integer number (64323087920).

Almost surely, 2^{4208213197755} is an apocalyptic number.

4208213197755 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4208213197755 is an abundant number, since it is smaller than the sum of its proper divisors (5054311462725).

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

4208213197755 is a wasteful number, since it uses less digits than its factorization.

4208213197755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720300 (or 3720281 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 4208213197755 in words is "four trillion, two hundred eight billion, two hundred thirteen million, one hundred ninety-seven thousand, seven hundred fifty-five".