3278740401 has 12 divisors (see below), whose sum is σ = 4738332612. Its totient is φ = 2184731136.

The previous prime is 3278740373. The next prime is 3278740447. The reversal of 3278740401 is 1040478723.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3045384225 + 233356176 = 55185^2 + 15276^2 .

It is not a de Polignac number, because 3278740401 - 2⁵ = 3278740369 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3278740471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72156 + ... + 108461.

It is an arithmetic number, because the mean of its divisors is an integer number (394861051).

Almost surely, 2^3278740401 is an apocalyptic number.

It is an amenable number.

3278740401 is a deficient number, since it is larger than the sum of its proper divisors (1459592211).

3278740401 is a wasteful number, since it uses less digits than its factorization.

3278740401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182640 (or 182637 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 3278740401 is about 57260.2864208694. The cubic root of 3278740401 is about 1485.6015506629.

The spelling of 3278740401 in words is "three billion, two hundred seventy-eight million, seven hundred forty thousand, four hundred one".