215041233040 has 80 divisors (see below), whose sum is σ = 503398213488. Its totient is φ = 85428338688.

The previous prime is 215041232971. The next prime is 215041233079. The reversal of 215041233040 is 40332140512.

It can be written as a sum of positive squares in 8 ways, for example, as 108141007104 + 106900225936 = 328848^2 + 326956^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 215041232996 and 215041233014.

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, 9515194 + ... + 9537766.

Almost surely, 2^215041233040 is an apocalyptic number.

215041233040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215041233040 is an abundant number, since it is smaller than the sum of its proper divisors (288356980448).

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

215041233040 is a wasteful number, since it uses less digits than its factorization.

215041233040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23396 (or 23390 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 215041233040 its reverse (40332140512), we get a palindrome (255373373552).

The spelling of 215041233040 in words is "two hundred fifteen billion, forty-one million, two hundred thirty-three thousand, forty".