4049500390 has 32 divisors (see below), whose sum is σ = 7883549856. Its totient is φ = 1488771840.

The previous prime is 4049500379. The next prime is 4049500391. The reversal of 4049500390 is 930059404.

It is a super-2 number, since 2×4049500390² = 32796906817220304200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049500391) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 36556 + ... + 97135.

It is an arithmetic number, because the mean of its divisors is an integer number (246360933).

Almost surely, 2^4049500390 is an apocalyptic number.

4049500390 is a deficient number, since it is larger than the sum of its proper divisors (3834049466).

4049500390 is a wasteful number, since it uses less digits than its factorization.

4049500390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133944.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 4049500390 is about 63635.6848788477. The cubic root of 4049500390 is about 1593.9223060356.

Adding to 4049500390 its reverse (930059404), we get a palindrome (4979559794).

The spelling of 4049500390 in words is "four billion, forty-nine million, five hundred thousand, three hundred ninety".