43402061361 has 32 divisors (see below), whose sum is σ = 64884879360. Its totient is φ = 25644784896.

The previous prime is 43402061333. The next prime is 43402061377. The reversal of 43402061361 is 16316020434.

It is not a de Polignac number, because 43402061361 - 2⁷ = 43402061233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43402061321) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 27720 + ... + 295926.

It is an arithmetic number, because the mean of its divisors is an integer number (2027652480).

Almost surely, 2^43402061361 is an apocalyptic number.

It is an amenable number.

43402061361 is a deficient number, since it is larger than the sum of its proper divisors (21482817999).

43402061361 is a wasteful number, since it uses less digits than its factorization.

43402061361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268413.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 43402061361 its reverse (16316020434), we get a palindrome (59718081795).

The spelling of 43402061361 in words is "forty-three billion, four hundred two million, sixty-one thousand, three hundred sixty-one".