3206409540 has 48 divisors (see below), whose sum is σ = 9013757760. Its totient is φ = 851632000.

The previous prime is 3206409539. The next prime is 3206409541. The reversal of 3206409540 is 459046023.

It is an interprime number because it is at equal distance from previous prime (3206409539) and next prime (3206409541).

It is not an unprimeable number, because it can be changed into a prime (3206409541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91395 + ... + 121514.

It is an arithmetic number, because the mean of its divisors is an integer number (187786620).

Almost surely, 2^3206409540 is an apocalyptic number.

3206409540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3206409540 is an abundant number, since it is smaller than the sum of its proper divisors (5807348220).

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

3206409540 is a wasteful number, since it uses less digits than its factorization.

3206409540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213172 (or 213170 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 3206409540 is about 56625.1670196212. The cubic root of 3206409540 is about 1474.5958160954.

The spelling of 3206409540 in words is "three billion, two hundred six million, four hundred nine thousand, five hundred forty".