3420443400 has 96 divisors (see below), whose sum is σ = 11567340000. Its totient is φ = 829196800.

The previous prime is 3420443387. The next prime is 3420443417. The reversal of 3420443400 is 43440243.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252525 + ... + 265724.

It is an arithmetic number, because the mean of its divisors is an integer number (120493125).

Almost surely, 2^3420443400 is an apocalyptic number.

3420443400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3420443400 is an abundant number, since it is smaller than the sum of its proper divisors (8146896600).

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

3420443400 is a wasteful number, since it uses less digits than its factorization.

3420443400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518279 (or 518270 counting only the distinct ones).

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

The square root of 3420443400 is about 58484.5569359981. The cubic root of 3420443400 is about 1506.7023631695.

Adding to 3420443400 its reverse (43440243), we get a palindrome (3463883643).

The spelling of 3420443400 in words is "three billion, four hundred twenty million, four hundred forty-three thousand, four hundred".