4020426936 has 48 divisors (see below), whose sum is σ = 11094113160. Its totient is φ = 1314855360.

The previous prime is 4020426931. The next prime is 4020426937. The reversal of 4020426936 is 6396240204.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4020426936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020426931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522970 + ... + 530601.

Almost surely, 2^4020426936 is an apocalyptic number.

It is an amenable number.

4020426936 is an abundant number, since it is smaller than the sum of its proper divisors (7073686224).

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

4020426936 is a wasteful number, since it uses less digits than its factorization.

4020426936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053636 (or 1053629 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 4020426936 is about 63406.8366660883. The cubic root of 4020426936 is about 1590.0986102364.

The spelling of 4020426936 in words is "four billion, twenty million, four hundred twenty-six thousand, nine hundred thirty-six".