4020454506 has 48 divisors (see below), whose sum is σ = 8433996480. Its totient is φ = 1276914240.

The previous prime is 4020454453. The next prime is 4020454531. The reversal of 4020454506 is 6054540204.

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 23 ways as a sum of consecutive naturals, for example, 450435 + ... + 459273.

It is an arithmetic number, because the mean of its divisors is an integer number (175708260).

Almost surely, 2^4020454506 is an apocalyptic number.

4020454506 is an abundant number, since it is smaller than the sum of its proper divisors (4413541974).

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

4020454506 is a wasteful number, since it uses less digits than its factorization.

4020454506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8971 (or 8928 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4020454506 is about 63407.0540712940. The cubic root of 4020454506 is about 1590.1022449182.

The spelling of 4020454506 in words is "four billion, twenty million, four hundred fifty-four thousand, five hundred six".