43402221400 has 48 divisors (see below), whose sum is σ = 100926631800. Its totient is φ = 17358055680.

The previous prime is 43402221371. The next prime is 43402221419. The reversal of 43402221400 is 412220434.

It is a happy number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1562836 + ... + 1590364.

Almost surely, 2^43402221400 is an apocalyptic number.

43402221400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43402221400 is an abundant number, since it is smaller than the sum of its proper divisors (57524410400).

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

43402221400 is a wasteful number, since it uses less digits than its factorization.

43402221400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35428 (or 35419 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 43402221400 its reverse (412220434), we get a palindrome (43814441834).

The spelling of 43402221400 in words is "forty-three billion, four hundred two million, two hundred twenty-one thousand, four hundred".