3555534420 has 96 divisors (see below), whose sum is σ = 11086333440. Its totient is φ = 946028160.

The previous prime is 3555534413. The next prime is 3555534427. The reversal of 3555534420 is 244355553.

3555534420 is a `hidden beast` number, since 35 + 55 + 534 + 42 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3555534413) and next prime (3555534427).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3555534427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242910 + ... + 257130.

It is an arithmetic number, because the mean of its divisors is an integer number (115482640).

Almost surely, 2^3555534420 is an apocalyptic number.

3555534420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3555534420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5543166720).

3555534420 is an abundant number, since it is smaller than the sum of its proper divisors (7530799020).

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

3555534420 is a wasteful number, since it uses less digits than its factorization.

3555534420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14702 (or 14694 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The square root of 3555534420 is about 59628.3021727099. The cubic root of 3555534420 is about 1526.2826324603.

Adding to 3555534420 its reverse (244355553), we get a palindrome (3799889973).

The spelling of 3555534420 in words is "three billion, five hundred fifty-five million, five hundred thirty-four thousand, four hundred twenty".