4002485421 has 16 divisors (see below), whose sum is σ = 5826639168. Its totient is φ = 2423731200.

The previous prime is 4002485393. The next prime is 4002485437. The reversal of 4002485421 is 1245842004.

4002485421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4002485421 - 2¹⁹ = 4001961133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002485521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9670 + ... + 89991.

It is an arithmetic number, because the mean of its divisors is an integer number (364164948).

Almost surely, 2^4002485421 is an apocalyptic number.

It is an amenable number.

4002485421 is a deficient number, since it is larger than the sum of its proper divisors (1824153747).

4002485421 is a wasteful number, since it uses less digits than its factorization.

4002485421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100892.

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 4002485421 is about 63265.1991303276. The cubic root of 4002485421 is about 1587.7297638878.

The spelling of 4002485421 in words is "four billion, two million, four hundred eighty-five thousand, four hundred twenty-one".