4020265899 has 32 divisors (see below), whose sum is σ = 6464675840. Its totient is φ = 2454502176.

The previous prime is 4020265897. The next prime is 4020265973. The reversal of 4020265899 is 9985620204.

4020265899 is a `hidden beast` number, since 40 + 2 + 0 + 26 + 589 + 9 = 666.

It is not a de Polignac number, because 4020265899 - 2¹ = 4020265897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020265891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517 + ... + 89670.

It is an arithmetic number, because the mean of its divisors is an integer number (202021120).

Almost surely, 2^4020265899 is an apocalyptic number.

4020265899 is a deficient number, since it is larger than the sum of its proper divisors (2444409941).

4020265899 is a wasteful number, since it uses less digits than its factorization.

4020265899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90336 (or 90330 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 4020265899 is about 63405.5667824206. The cubic root of 4020265899 is about 1590.0773796446.

The spelling of 4020265899 in words is "four billion, twenty million, two hundred sixty-five thousand, eight hundred ninety-nine".