43215220034 has 12 divisors (see below), whose sum is σ = 75406149414. Its totient is φ = 18520808544.

The previous prime is 43215220019. The next prime is 43215220079. The reversal of 43215220034 is 43002251234.

It can be written as a sum of positive squares in only one way, i.e., 43138043809 + 77176225 = 207697^2 + 8785^2 .

It is a super-2 number, since 2×43215220034² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43215219985 and 43215220012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220485719 + ... + 220485914.

Almost surely, 2^43215220034 is an apocalyptic number.

43215220034 is a deficient number, since it is larger than the sum of its proper divisors (32190929380).

43215220034 is a wasteful number, since it uses less digits than its factorization.

43215220034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440971649 (or 440971642 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 43215220034 its reverse (43002251234), we get a palindrome (86217471268).

The spelling of 43215220034 in words is "forty-three billion, two hundred fifteen million, two hundred twenty thousand, thirty-four".