3215040356 has 12 divisors (see below), whose sum is σ = 6137804400. Its totient is φ = 1461381960.

The previous prime is 3215040299. The next prime is 3215040373. The reversal of 3215040356 is 6530405123.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 36534506 + ... + 36534593.

It is an arithmetic number, because the mean of its divisors is an integer number (511483700).

Almost surely, 2^3215040356 is an apocalyptic number.

It is an amenable number.

3215040356 is a deficient number, since it is larger than the sum of its proper divisors (2922764044).

3215040356 is a wasteful number, since it uses less digits than its factorization.

3215040356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73069114 (or 73069112 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 3215040356 is about 56701.3258751504. The cubic root of 3215040356 is about 1475.9177061856.

Adding to 3215040356 its reverse (6530405123), we get a palindrome (9745445479).

The spelling of 3215040356 in words is "three billion, two hundred fifteen million, forty thousand, three hundred fifty-six".