4020311136 has 48 divisors (see below), whose sum is σ = 10893754368. Its totient is φ = 1296873600.

The previous prime is 4020311069. The next prime is 4020311219. The reversal of 4020311136 is 6311130204.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×4020311136² = 32325803260491220992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672480 + ... + 678431.

It is an arithmetic number, because the mean of its divisors is an integer number (226953216).

Almost surely, 2^4020311136 is an apocalyptic number.

It is an amenable number.

4020311136 is an abundant number, since it is smaller than the sum of its proper divisors (6873443232).

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

4020311136 is a wasteful number, since it uses less digits than its factorization.

4020311136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350955 (or 1350947 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4020311136 is about 63405.9235087701. The cubic root of 4020311136 is about 1590.0833436001.

The spelling of 4020311136 in words is "four billion, twenty million, three hundred eleven thousand, one hundred thirty-six".