215344511040 has 112 divisors (see below), whose sum is σ = 702197825472. Its totient is φ = 55873161216.

The previous prime is 215344510991. The next prime is 215344511059. The reversal of 215344511040 is 40115443512.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 215344510989 and 215344511007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2995794 + ... + 3066833.

Almost surely, 2^215344511040 is an apocalyptic number.

215344511040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215344511040 is an abundant number, since it is smaller than the sum of its proper divisors (486853314432).

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

215344511040 is a wasteful number, since it uses less digits than its factorization.

215344511040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062684 (or 6062674 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 215344511040 its reverse (40115443512), we get a palindrome (255459954552).

The spelling of 215344511040 in words is "two hundred fifteen billion, three hundred forty-four million, five hundred eleven thousand, forty".