215430232896 has 42 divisors (see below), whose sum is σ = 617491867122. Its totient is φ = 71810077440.

The previous prime is 215430232859. The next prime is 215430232921. The reversal of 215430232896 is 698232034512.

215430232896 is a `hidden beast` number, since 2 + 1 + 543 + 0 + 23 + 2 + 89 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 150233760000 + 65196472896 = 387600^2 + 255336^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187004835 + ... + 187005986.

Almost surely, 2^215430232896 is an apocalyptic number.

It is an amenable number.

215430232896 is an abundant number, since it is smaller than the sum of its proper divisors (402061634226).

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

215430232896 is a wasteful number, since it uses less digits than its factorization.

215430232896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374010839 (or 374010826 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 215430232896 in words is "two hundred fifteen billion, four hundred thirty million, two hundred thirty-two thousand, eight hundred ninety-six".