3552043440 has 80 divisors (see below), whose sum is σ = 12012374016. Its totient is φ = 861100800.

The previous prime is 3552043403. The next prime is 3552043441. The reversal of 3552043440 is 443402553.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3552043398 and 3552043407.

It is not an unprimeable number, because it can be changed into a prime (3552043441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670096 + ... + 675375.

Almost surely, 2^3552043440 is an apocalyptic number.

3552043440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3552043440 is an abundant number, since it is smaller than the sum of its proper divisors (8460330576).

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

3552043440 is a wasteful number, since it uses less digits than its factorization.

3552043440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345498 (or 1345492 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 3552043440 is about 59599.0221396291. The cubic root of 3552043440 is about 1525.7829450909.

Adding to 3552043440 its reverse (443402553), we get a palindrome (3995445993).

The spelling of 3552043440 in words is "three billion, five hundred fifty-two million, forty-three thousand, four hundred forty".