3555440044 has 48 divisors (see below), whose sum is σ = 7160076000. Its totient is φ = 1530233856.

The previous prime is 3555440039. The next prime is 3555440089. The reversal of 3555440044 is 4400445553.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 3555439991 and 3555440009.

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, 77907 + ... + 114805.

It is an arithmetic number, because the mean of its divisors is an integer number (149168250).

Almost surely, 2^3555440044 is an apocalyptic number.

3555440044 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3555440044 is an abundant number, since it is smaller than the sum of its proper divisors (3604635956).

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

3555440044 is a wasteful number, since it uses less digits than its factorization.

3555440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37042 (or 37040 counting only the distinct ones).

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

The square root of 3555440044 is about 59627.5107982884. The cubic root of 3555440044 is about 1526.2691280934.

Adding to 3555440044 its reverse (4400445553), we get a palindrome (7955885597).

The spelling of 3555440044 in words is "three billion, five hundred fifty-five million, four hundred forty thousand, forty-four".