4027220040 has 64 divisors (see below), whose sum is σ = 12362644800. Its totient is φ = 1048948992.

The previous prime is 4027220017. The next prime is 4027220047. The reversal of 4027220040 is 400227204.

It is a junction number, because it is equal to n+sod(n) for n = 4027219989 and 4027220016.

It is not an unprimeable number, because it can be changed into a prime (4027220047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385075 + ... + 395394.

It is an arithmetic number, because the mean of its divisors is an integer number (193166325).

Almost surely, 2^4027220040 is an apocalyptic number.

4027220040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4027220040 is an abundant number, since it is smaller than the sum of its proper divisors (8335424760).

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

4027220040 is a wasteful number, since it uses less digits than its factorization.

4027220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780526 (or 780522 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 4027220040 is about 63460.3816565895. The cubic root of 4027220040 is about 1590.9936749824.

Adding to 4027220040 its reverse (400227204), we get a palindrome (4427447244).

The spelling of 4027220040 in words is "four billion, twenty-seven million, two hundred twenty thousand, forty".