4004205551 has 8 divisors (see below), whose sum is σ = 4376513664. Its totient is φ = 3647093760.

The previous prime is 4004205533. The next prime is 4004205553. The reversal of 4004205551 is 1555024004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4004205551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4004205551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004205553) 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, 3798530 + ... + 3799583.

It is an arithmetic number, because the mean of its divisors is an integer number (547064208).

Almost surely, 2^4004205551 is an apocalyptic number.

4004205551 is a deficient number, since it is larger than the sum of its proper divisors (372308113).

4004205551 is a wasteful number, since it uses less digits than its factorization.

4004205551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7598161.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 4004205551 is about 63278.7922688163. The cubic root of 4004205551 is about 1587.9571817845.

Adding to 4004205551 its reverse (1555024004), we get a palindrome (5559229555).

The spelling of 4004205551 in words is "four billion, four million, two hundred five thousand, five hundred fifty-one".