43402201432 has 16 divisors (see below), whose sum is σ = 81384683760. Its totient is φ = 21699619104.

The previous prime is 43402201411. The next prime is 43402201477. The reversal of 43402201432 is 23410220434.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 43402201397 and 43402201406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55348 + ... + 299779.

It is an arithmetic number, because the mean of its divisors is an integer number (5086542735).

Almost surely, 2^43402201432 is an apocalyptic number.

It is an amenable number.

43402201432 is a deficient number, since it is larger than the sum of its proper divisors (37982482328).

43402201432 is a wasteful number, since it uses less digits than its factorization.

43402201432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370410 (or 370406 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 43402201432 its reverse (23410220434), we get a palindrome (66812421866).

The spelling of 43402201432 in words is "forty-three billion, four hundred two million, two hundred one thousand, four hundred thirty-two".