4020447552 has 224 divisors, whose sum is σ = 11936211840. Its totient is φ = 1184071680.

The previous prime is 4020447547. The next prime is 4020447581. The reversal of 4020447552 is 2557440204.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13721518 + ... + 13721810.

It is an arithmetic number, because the mean of its divisors is an integer number (53286660).

Almost surely, 2^4020447552 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 4020447552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5968105920).

4020447552 is an abundant number, since it is smaller than the sum of its proper divisors (7915764288).

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

4020447552 is a wasteful number, since it uses less digits than its factorization.

4020447552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 4020447552 is about 63406.9992351002. Note that the first 3 decimals coincide. The cubic root of 4020447552 is about 1590.1013281415.

Adding to 4020447552 its reverse (2557440204), we get a palindrome (6577887756).

The spelling of 4020447552 in words is "four billion, twenty million, four hundred forty-seven thousand, five hundred fifty-two".