4138405050 has 48 divisors (see below), whose sum is σ = 11052730080. Its totient is φ = 1018683840.

The previous prime is 4138405049. The next prime is 4138405057. The reversal of 4138405050 is 505048314.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4138404999 and 4138405017.

It is not an unprimeable number, because it can be changed into a prime (4138405057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1059180 + ... + 1063079.

It is an arithmetic number, because the mean of its divisors is an integer number (230265210).

Almost surely, 2^4138405050 is an apocalyptic number.

4138405050 is an abundant number, since it is smaller than the sum of its proper divisors (6914325030).

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

4138405050 is a wasteful number, since it uses less digits than its factorization.

4138405050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122287 (or 2122282 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 4138405050 is about 64330.4364200959. The cubic root of 4138405050 is about 1605.5025454380.

The spelling of 4138405050 in words is "four billion, one hundred thirty-eight million, four hundred five thousand, fifty".