43425402221000 has 32 divisors (see below), whose sum is σ = 101615441199480. Its totient is φ = 17370160888000.

The previous prime is 43425402220979. The next prime is 43425402221017. The reversal of 43425402221000 is 12220452434.

It can be written as a sum of positive squares in 4 ways, for example, as 6286884257956 + 37138517963044 = 2507366^2 + 6094138^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21712700111 + ... + 21712702110.

Almost surely, 2^{43425402221000} is an apocalyptic number.

43425402221000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43425402221000 is an abundant number, since it is smaller than the sum of its proper divisors (58190038978480).

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

43425402221000 is a wasteful number, since it uses less digits than its factorization.

43425402221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43425402242 (or 43425402228 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 43425402221000 its reverse (12220452434), we get a palindrome (43437622673434).

The spelling of 43425402221000 in words is "forty-three trillion, four hundred twenty-five billion, four hundred two million, two hundred twenty-one thousand".