4020526436 has 12 divisors (see below), whose sum is σ = 7066647420. Its totient is φ = 2001484320.

The previous prime is 4020526423. The next prime is 4020526441. The reversal of 4020526436 is 6346250204.

It can be written as a sum of positive squares in 2 ways, for example, as 3943086436 + 77440000 = 62794^2 + 8800^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193695 + ... + 2195526.

It is an arithmetic number, because the mean of its divisors is an integer number (588887285).

Almost surely, 2^4020526436 is an apocalyptic number.

It is an amenable number.

4020526436 is a deficient number, since it is larger than the sum of its proper divisors (3046120984).

4020526436 is a wasteful number, since it uses less digits than its factorization.

4020526436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389454 (or 4389452 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 4020526436 is about 63407.6212769411. The cubic root of 4020526436 is about 1590.1117277078. Note that the first 3 decimals are identical.

The spelling of 4020526436 in words is "four billion, twenty million, five hundred twenty-six thousand, four hundred thirty-six".