3278341440 has 168 divisors, whose sum is σ = 12301350048. Its totient is φ = 794741760.

The previous prime is 3278341399. The next prime is 3278341441. The reversal of 3278341440 is 441438723.

3278341440 is a `hidden beast` number, since 3 + 278 + 341 + 4 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3278341395 and 3278341404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3278341441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20062 + ... + 83421.

Almost surely, 2^3278341440 is an apocalyptic number.

3278341440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3278341440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6150675024).

3278341440 is an abundant number, since it is smaller than the sum of its proper divisors (9023008608).

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

3278341440 is a wasteful number, since it uses less digits than its factorization.

3278341440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103517 (or 103504 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 3278341440 is about 57256.8025652848. The cubic root of 3278341440 is about 1485.5412916356.

The spelling of 3278341440 in words is "three billion, two hundred seventy-eight million, three hundred forty-one thousand, four hundred forty".