4016544021 has 12 divisors (see below), whose sum is σ = 6630485472. Its totient is φ = 2295167976.

The previous prime is 4016543953. The next prime is 4016544029. The reversal of 4016544021 is 1204456104.

4016544021 is a `hidden beast` number, since 4 + 0 + 1 + 654 + 4 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 4016544021 - 2¹⁵ = 4016511253 is a prime.

It is a super-2 number, since 2×4016544021² = 32265251745261696882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4016544029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31877271 + ... + 31877396.

It is an arithmetic number, because the mean of its divisors is an integer number (552540456).

Almost surely, 2^4016544021 is an apocalyptic number.

It is an amenable number.

4016544021 is a deficient number, since it is larger than the sum of its proper divisors (2613941451).

4016544021 is a wasteful number, since it uses less digits than its factorization.

4016544021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63754680 (or 63754677 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4016544021 is about 63376.2102132969. The cubic root of 4016544021 is about 1589.5865413616.

The spelling of 4016544021 in words is "four billion, sixteen million, five hundred forty-four thousand, twenty-one".