4020626884 has 6 divisors (see below), whose sum is σ = 7036097054. Its totient is φ = 2010313440.

The previous prime is 4020626861. The next prime is 4020626899. The reversal of 4020626884 is 4886260204.

It can be written as a sum of positive squares in only one way, i.e., 4018292100 + 2334784 = 63390^2 + 1528^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 502578357 + ... + 502578364.

Almost surely, 2^4020626884 is an apocalyptic number.

It is an amenable number.

4020626884 is a deficient number, since it is larger than the sum of its proper divisors (3015470170).

4020626884 is a wasteful number, since it uses less digits than its factorization.

4020626884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005156725 (or 1005156723 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 4020626884 is about 63408.4133534344. The cubic root of 4020626884 is about 1590.1249699382.

The spelling of 4020626884 in words is "four billion, twenty million, six hundred twenty-six thousand, eight hundred eighty-four".