43401444030 has 128 divisors (see below), whose sum is σ = 132760719360. Its totient is φ = 9883607040.

The previous prime is 43401443971. The next prime is 43401444041. The reversal of 43401444030 is 3044410434.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 43401443985 and 43401444003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 469822 + ... + 554558.

It is an arithmetic number, because the mean of its divisors is an integer number (1037193120).

Almost surely, 2^43401444030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43401444030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66380359680).

43401444030 is an abundant number, since it is smaller than the sum of its proper divisors (89359275330).

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

43401444030 is a wasteful number, since it uses less digits than its factorization.

43401444030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85031 (or 85025 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43401444030 its reverse (3044410434), we get a palindrome (46445854464).

The spelling of 43401444030 in words is "forty-three billion, four hundred one million, four hundred forty-four thousand, thirty".