3543403440 has 80 divisors (see below), whose sum is σ = 11087290368. Its totient is φ = 936069888.

The previous prime is 3543403439. The next prime is 3543403459. The reversal of 3543403440 is 443043453.

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 = 3543403398 and 3543403407.

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, 43312 + ... + 94671.

Almost surely, 2^3543403440 is an apocalyptic number.

3543403440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3543403440 is an abundant number, since it is smaller than the sum of its proper divisors (7543886928).

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

3543403440 is a wasteful number, since it uses less digits than its factorization.

3543403440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138106 (or 138100 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

The square root of 3543403440 is about 59526.4935973891. The cubic root of 3543403440 is about 1524.5448345091.

Adding to 3543403440 its reverse (443043453), we get a palindrome (3986446893).

The spelling of 3543403440 in words is "three billion, five hundred forty-three million, four hundred three thousand, four hundred forty".