33230344440 has 64 divisors (see below), whose sum is σ = 99771300000. Its totient is φ = 8854290432.

The previous prime is 33230344439. The next prime is 33230344457. The reversal of 33230344440 is 4444303233.

It is a super-2 number, since 2×33230344440² (a number of 22 digits) contains 22 as substring.

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 = 33230344398 and 33230344407.

It is a congruent number.

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, 39024 + ... + 260736.

Almost surely, 2^33230344440 is an apocalyptic number.

33230344440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33230344440 is an abundant number, since it is smaller than the sum of its proper divisors (66540955560).

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

33230344440 is a wasteful number, since it uses less digits than its factorization.

33230344440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222976 (or 222972 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 33230344440 its reverse (4444303233), we get a palindrome (37674647673).

The spelling of 33230344440 in words is "thirty-three billion, two hundred thirty million, three hundred forty-four thousand, four hundred forty".