3552232440 has 32 divisors (see below), whose sum is σ = 10656697680. Its totient is φ = 947261952.

The previous prime is 3552232429. The next prime is 3552232469. The reversal of 3552232440 is 442322553.

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 = 3552232398 and 3552232407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14800849 + ... + 14801088.

Almost surely, 2^3552232440 is an apocalyptic number.

3552232440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3552232440 is an abundant number, since it is smaller than the sum of its proper divisors (7104465240).

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

3552232440 is a wasteful number, since it uses less digits than its factorization.

3552232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29601951 (or 29601947 counting only the distinct ones).

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

The square root of 3552232440 is about 59600.6077150225. The cubic root of 3552232440 is about 1525.8100063086.

Adding to 3552232440 its reverse (442322553), we get a palindrome (3994554993).

The spelling of 3552232440 in words is "three billion, five hundred fifty-two million, two hundred thirty-two thousand, four hundred forty".