3320023440 has 40 divisors (see below), whose sum is σ = 10292073408. Its totient is φ = 885339520.

The previous prime is 3320023423. The next prime is 3320023453. The reversal of 3320023440 is 443200233.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×3320023440² = 22045111284298867200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6916476 + ... + 6916955.

Almost surely, 2^3320023440 is an apocalyptic number.

3320023440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3320023440 is an abundant number, since it is smaller than the sum of its proper divisors (6972049968).

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

3320023440 is a wasteful number, since it uses less digits than its factorization.

3320023440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13833447 (or 13833441 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 3320023440 is about 57619.6445667621. The cubic root of 3320023440 is about 1491.8106960095.

Adding to 3320023440 its reverse (443200233), we get a palindrome (3763223673).

The spelling of 3320023440 in words is "three billion, three hundred twenty million, twenty-three thousand, four hundred forty".