215420245230430 has 32 divisors (see below), whose sum is σ = 388030177360800. Its totient is φ = 86107287083520.

The previous prime is 215420245230419. The next prime is 215420245230479. The reversal of 215420245230430 is 34032542024512.

It is a happy number.

It is a super-3 number, since 3×215420245230430³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 215420245230430.

It is a congruent number.

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, 88792146 + ... + 91185994.

It is an arithmetic number, because the mean of its divisors is an integer number (12125943042525).

Almost surely, 2^{215420245230430} is an apocalyptic number.

215420245230430 is a deficient number, since it is larger than the sum of its proper divisors (172609932130370).

215420245230430 is a wasteful number, since it uses less digits than its factorization.

215420245230430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400204.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 215420245230430 its reverse (34032542024512), we get a palindrome (249452787254942).

The spelling of 215420245230430 in words is "two hundred fifteen trillion, four hundred twenty billion, two hundred forty-five million, two hundred thirty thousand, four hundred thirty".