3278046840 has 32 divisors (see below), whose sum is σ = 9834140880. Its totient is φ = 874145792.

The previous prime is 3278046829. The next prime is 3278046983. The reversal of 3278046840 is 486408723.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3278046792 and 3278046801.

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, 13658409 + ... + 13658648.

Almost surely, 2^3278046840 is an apocalyptic number.

3278046840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3278046840 is an abundant number, since it is smaller than the sum of its proper divisors (6556094040).

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

3278046840 is a wasteful number, since it uses less digits than its factorization.

3278046840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27317071 (or 27317067 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 3278046840 is about 57254.2298874066. The cubic root of 3278046840 is about 1485.4967921448.

The spelling of 3278046840 in words is "three billion, two hundred seventy-eight million, forty-six thousand, eight hundred forty".