43802396066 has 32 divisors (see below), whose sum is σ = 77225400000. Its totient is φ = 18370255680.

The previous prime is 43802396063. The next prime is 43802396101. The reversal of 43802396066 is 66069320834.

It is a happy number.

It is a super-2 number, since 2×43802396066² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43802396066.

It is not an unprimeable number, because it can be changed into a prime (43802396063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615185 + ... + 682683.

It is an arithmetic number, because the mean of its divisors is an integer number (2413293750).

Almost surely, 2^43802396066 is an apocalyptic number.

43802396066 is a deficient number, since it is larger than the sum of its proper divisors (33423003934).

43802396066 is a wasteful number, since it uses less digits than its factorization.

43802396066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69794.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 43802396066 in words is "forty-three billion, eight hundred two million, three hundred ninety-six thousand, sixty-six".