4020046550 has 24 divisors (see below), whose sum is σ = 8052463776. Its totient is φ = 1484324640.

The previous prime is 4020046523. The next prime is 4020046553. The reversal of 4020046550 is 556400204.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020046553) 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 11 ways as a sum of consecutive naturals, for example, 3091694 + ... + 3092993.

It is an arithmetic number, because the mean of its divisors is an integer number (335519324).

Almost surely, 2^4020046550 is an apocalyptic number.

4020046550 is an abundant number, since it is smaller than the sum of its proper divisors (4032417226).

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

4020046550 is a wasteful number, since it uses less digits than its factorization.

4020046550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6184712 (or 6184707 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4020046550 is about 63403.8370290001. The cubic root of 4020046550 is about 1590.0484604773.

Adding to 4020046550 its reverse (556400204), we get a palindrome (4576446754).

The spelling of 4020046550 in words is "four billion, twenty million, forty-six thousand, five hundred fifty".