215040745000 has 80 divisors (see below), whose sum is σ = 514561037760. Its totient is φ = 84186072000.

The previous prime is 215040744973. The next prime is 215040745021. The reversal of 215040745000 is 547040512.

It is a self number, because there is not a number n which added to its sum of digits gives 215040745000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 222534 + ... + 692533.

It is an arithmetic number, because the mean of its divisors is an integer number (6432012972).

Almost surely, 2^215040745000 is an apocalyptic number.

215040745000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215040745000 is an abundant number, since it is smaller than the sum of its proper divisors (299520292760).

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

215040745000 is an equidigital number, since it uses as much as digits as its factorization.

215040745000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915140 (or 915121 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

Adding to 215040745000 its reverse (547040512), we get a palindrome (215587785512).

The spelling of 215040745000 in words is "two hundred fifteen billion, forty million, seven hundred forty-five thousand".