3324400440 has 32 divisors (see below), whose sum is σ = 9973201680. Its totient is φ = 886506752.

The previous prime is 3324400423. The next prime is 3324400451. The reversal of 3324400440 is 440044233.

It is a happy number.

It is a super-2 number, since 2×3324400440² = 22103276570944387200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3324400440.

It is a congruent number.

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, 13851549 + ... + 13851788.

Almost surely, 2^3324400440 is an apocalyptic number.

3324400440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3324400440 is an abundant number, since it is smaller than the sum of its proper divisors (6648801240).

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

3324400440 is a wasteful number, since it uses less digits than its factorization.

3324400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27703351 (or 27703347 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 3324400440 is about 57657.6138944372. The cubic root of 3324400440 is about 1492.4659913858.

Adding to 3324400440 its reverse (440044233), we get a palindrome (3764444673).

The spelling of 3324400440 in words is "three billion, three hundred twenty-four million, four hundred thousand, four hundred forty".