215269590090 has 32 divisors (see below), whose sum is σ = 516709469376. Its totient is φ = 57398284800.

The previous prime is 215269590089. The next prime is 215269590121. The reversal of 215269590090 is 90095962512.

It is a happy number.

215269590090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178936 + ... + 680115.

It is an arithmetic number, because the mean of its divisors is an integer number (16147170918).

Almost surely, 2^215269590090 is an apocalyptic number.

215269590090 is an abundant number, since it is smaller than the sum of its proper divisors (301439879286).

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

215269590090 is a wasteful number, since it uses less digits than its factorization.

215269590090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867414.

The product of its (nonzero) digits is 437400, while the sum is 48.

The spelling of 215269590090 in words is "two hundred fifteen billion, two hundred sixty-nine million, five hundred ninety thousand, ninety".