4118939550 has 72 divisors (see below), whose sum is σ = 12072251880. Its totient is φ = 998529600.

The previous prime is 4118939519. The next prime is 4118939551. The reversal of 4118939550 is 559398114.

4118939550 is a `hidden beast` number, since 4 + 1 + 1 + 8 + 93 + 9 + 550 = 666.

4118939550 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4118939496 and 4118939505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4118939551) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 411105 + ... + 421004.

It is an arithmetic number, because the mean of its divisors is an integer number (167670165).

Almost surely, 2^4118939550 is an apocalyptic number.

4118939550 is an abundant number, since it is smaller than the sum of its proper divisors (7953312330).

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

4118939550 is a wasteful number, since it uses less digits than its factorization.

4118939550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832138 (or 832130 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 4118939550 is about 64178.9650119102. The cubic root of 4118939550 is about 1602.9813617986.

The spelling of 4118939550 in words is "four billion, one hundred eighteen million, nine hundred thirty-nine thousand, five hundred fifty".