43401421301244 has 48 divisors (see below), whose sum is σ = 101652745572000. Its totient is φ = 14412535658496.

The previous prime is 43401421301207. The next prime is 43401421301261. The reversal of 43401421301244 is 44210312410434.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129229 + ... + 9317700.

It is an arithmetic number, because the mean of its divisors is an integer number (2117765532750).

Almost surely, 2^{43401421301244} is an apocalyptic number.

It is an amenable number.

43401421301244 is an abundant number, since it is smaller than the sum of its proper divisors (58251324270756).

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

43401421301244 is a wasteful number, since it uses less digits than its factorization.

43401421301244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448382 (or 9448380 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 43401421301244 its reverse (44210312410434), we get a palindrome (87611733711678).

The spelling of 43401421301244 in words is "forty-three trillion, four hundred one billion, four hundred twenty-one million, three hundred one thousand, two hundred forty-four".