4020265900 has 144 divisors (see below), whose sum is σ = 10204346880. Its totient is φ = 1346342400.

The previous prime is 4020265897. The next prime is 4020265973. The reversal of 4020265900 is 95620204.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12844144 + ... + 12844456.

It is an arithmetic number, because the mean of its divisors is an integer number (70863520).

Almost surely, 2^4020265900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020265900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5102173440).

4020265900 is an abundant number, since it is smaller than the sum of its proper divisors (6184080980).

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

4020265900 is a wasteful number, since it uses less digits than its factorization.

4020265900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4020265900 is about 63405.5667903064. The cubic root of 4020265900 is about 1590.0773797765.

The spelling of 4020265900 in words is "four billion, twenty million, two hundred sixty-five thousand, nine hundred".