215412053440430 has 32 divisors (see below), whose sum is σ = 483418218631680. Its totient is φ = 67141419253920.

The previous prime is 215412053440427. The next prime is 215412053440481. The reversal of 215412053440430 is 34044350214512.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139877956010 + ... + 139877957549.

It is an arithmetic number, because the mean of its divisors is an integer number (15106819332240).

Almost surely, 2^{215412053440430} is an apocalyptic number.

215412053440430 is an abundant number, since it is smaller than the sum of its proper divisors (268006165191250).

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

215412053440430 is a wasteful number, since it uses less digits than its factorization.

215412053440430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279755913584.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 215412053440430 in words is "two hundred fifteen trillion, four hundred twelve billion, fifty-three million, four hundred forty thousand, four hundred thirty".