215013040000 has 160 divisors (see below), whose sum is σ = 583924053240. Its totient is φ = 78186240000.

The previous prime is 215013039961. The next prime is 215013040019. The reversal of 215013040000 is 40310512.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 757834 + ... + 1002166.

Almost surely, 2^215013040000 is an apocalyptic number.

215013040000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215013040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291962026620).

215013040000 is an abundant number, since it is smaller than the sum of its proper divisors (368911013240).

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

215013040000 is an equidigital number, since it uses as much as digits as its factorization.

215013040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244378 (or 244351 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 215013040000 its reverse (40310512), we get a palindrome (215053350512).

The spelling of 215013040000 in words is "two hundred fifteen billion, thirteen million, forty thousand".