4002720441 has 8 divisors (see below), whose sum is σ = 5353085664. Its totient is φ = 2660417760.

The previous prime is 4002720409. The next prime is 4002720457. The reversal of 4002720441 is 1440272004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4002720441 - 2⁵ = 4002720409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4002720461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2014476 + ... + 2016461.

It is an arithmetic number, because the mean of its divisors is an integer number (669135708).

Almost surely, 2^4002720441 is an apocalyptic number.

It is an amenable number.

4002720441 is a deficient number, since it is larger than the sum of its proper divisors (1350365223).

4002720441 is a wasteful number, since it uses less digits than its factorization.

4002720441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031271.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 4002720441 is about 63267.0565223324. The cubic root of 4002720441 is about 1587.7608396575.

Adding to 4002720441 its reverse (1440272004), we get a palindrome (5442992445).

The spelling of 4002720441 in words is "four billion, two million, seven hundred twenty thousand, four hundred forty-one".