215040464546 has 4 divisors (see below), whose sum is σ = 322560696822. Its totient is φ = 107520232272.

The previous prime is 215040464533. The next prime is 215040464599. The reversal of 215040464546 is 645464040512.

215040464546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 214883238025 + 157226521 = 463555^2 + 12539^2 .

It is a super-2 number, since 2×215040464546² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53760116135 + ... + 53760116138.

Almost surely, 2^215040464546 is an apocalyptic number.

215040464546 is a deficient number, since it is larger than the sum of its proper divisors (107520232276).

215040464546 is a wasteful number, since it uses less digits than its factorization.

215040464546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107520232275.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 215040464546 in words is "two hundred fifteen billion, forty million, four hundred sixty-four thousand, five hundred forty-six".