215420113410 has 64 divisors (see below), whose sum is σ = 522538055424. Its totient is φ = 56831840000.

The previous prime is 215420113331. The next prime is 215420113411. The reversal of 215420113410 is 14311024512.

It is not an unprimeable number, because it can be changed into a prime (215420113411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3914707 + ... + 3969353.

It is an arithmetic number, because the mean of its divisors is an integer number (8164657116).

Almost surely, 2^215420113410 is an apocalyptic number.

215420113410 is an abundant number, since it is smaller than the sum of its proper divisors (307117942014).

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

215420113410 is a wasteful number, since it uses less digits than its factorization.

215420113410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56059.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 215420113410 its reverse (14311024512), we get a palindrome (229731137922).

The spelling of 215420113410 in words is "two hundred fifteen billion, four hundred twenty million, one hundred thirteen thousand, four hundred ten".