4055021433 has 24 divisors (see below), whose sum is σ = 6270141696. Its totient is φ = 2616138000.

The previous prime is 4055021419. The next prime is 4055021437. The reversal of 4055021433 is 3341205504.

It is not a de Polignac number, because 4055021433 - 2¹⁶ = 4054955897 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4055021397 and 4055021406.

It is not an unprimeable number, because it can be changed into a prime (4055021437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261618 + ... + 276683.

It is an arithmetic number, because the mean of its divisors is an integer number (261255904).

Almost surely, 2^4055021433 is an apocalyptic number.

It is an amenable number.

4055021433 is a deficient number, since it is larger than the sum of its proper divisors (2215120263).

4055021433 is an equidigital number, since it uses as much as digits as its factorization.

4055021433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538347 (or 538335 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 4055021433 is about 63679.0501892106. The cubic root of 4055021433 is about 1594.6463556256.

Adding to 4055021433 its reverse (3341205504), we get a palindrome (7396226937).

The spelling of 4055021433 in words is "four billion, fifty-five million, twenty-one thousand, four hundred thirty-three".