215045435040 has 96 divisors (see below), whose sum is σ = 677513543616. Its totient is φ = 57335255040.

The previous prime is 215045434987. The next prime is 215045435063. The reversal of 215045435040 is 40534540512.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 215045434992 and 215045435010.

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 15 ways as a sum of consecutive naturals, for example, 2886904 + ... + 2960456.

It is an arithmetic number, because the mean of its divisors is an integer number (7057432746).

Almost surely, 2^215045435040 is an apocalyptic number.

215045435040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215045435040 is an abundant number, since it is smaller than the sum of its proper divisors (462468108576).

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

215045435040 is a wasteful number, since it uses less digits than its factorization.

215045435040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79662 (or 79654 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 215045435040 its reverse (40534540512), we get a palindrome (255579975552).

The spelling of 215045435040 in words is "two hundred fifteen billion, forty-five million, four hundred thirty-five thousand, forty".