43440144421032 has 48 divisors (see below), whose sum is σ = 122007813039840. Its totient is φ = 14480048139696.

The previous prime is 43440144420997. The next prime is 43440144421049. The reversal of 43440144421032 is 23012444104434.

43440144421032 is a `hidden beast` number, since 4 + 3 + 4 + 401 + 4 + 4 + 4 + 210 + 32 = 666.

It is a super-2 number, since 2×43440144421032² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11172874708 + ... + 11172878595.

It is an arithmetic number, because the mean of its divisors is an integer number (2541829438330).

Almost surely, 2^{43440144421032} is an apocalyptic number.

It is an amenable number.

43440144421032 is an abundant number, since it is smaller than the sum of its proper divisors (78567668618808).

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

43440144421032 is a wasteful number, since it uses less digits than its factorization.

43440144421032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22345753324 (or 22345753308 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 43440144421032 its reverse (23012444104434), we get a palindrome (66452588525466).

The spelling of 43440144421032 in words is "forty-three trillion, four hundred forty billion, one hundred forty-four million, four hundred twenty-one thousand, thirty-two".