3555442420 has 48 divisors (see below), whose sum is σ = 7515018000. Its totient is φ = 1412956160.

The previous prime is 3555442411. The next prime is 3555442481. The reversal of 3555442420 is 242445553.

It can be written as a sum of positive squares in 8 ways, for example, as 237221604 + 3318220816 = 15402^2 + 57604^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2522676 + ... + 2524084.

It is an arithmetic number, because the mean of its divisors is an integer number (156562875).

Almost surely, 2^3555442420 is an apocalyptic number.

It is an amenable number.

3555442420 is an abundant number, since it is smaller than the sum of its proper divisors (3959575580).

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

3555442420 is a wasteful number, since it uses less digits than its factorization.

3555442420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The square root of 3555442420 is about 59627.5307219744. The cubic root of 3555442420 is about 1526.2694680808.

Adding to 3555442420 its reverse (242445553), we get a palindrome (3797887973).

The spelling of 3555442420 in words is "three billion, five hundred fifty-five million, four hundred forty-two thousand, four hundred twenty".