215290432036 has 27 divisors (see below), whose sum is σ = 380691203347. Its totient is φ = 106533022400.

The previous prime is 215290431997. The next prime is 215290432051. The reversal of 215290432036 is 630234092512.

The square root of 215290432036 is 463994.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 60010300900 + 155280131136 = 244970^2 + 394056^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215290431986 and 215290432004.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 93725640 + ... + 93727936.

Almost surely, 2^215290432036 is an apocalyptic number.

215290432036 is the 463994-th square number.

It is an amenable number.

215290432036 is a deficient number, since it is larger than the sum of its proper divisors (165400771311).

215290432036 is an frugal number, since it uses more digits than its factorization.

215290432036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 215290432036 in words is "two hundred fifteen billion, two hundred ninety million, four hundred thirty-two thousand, thirty-six".