43001214004 has 18 divisors (see below), whose sum is σ = 87538186050. Its totient is φ = 18429091632.

The previous prime is 43001213963. The next prime is 43001214013. The reversal of 43001214004 is 40041210034.

It can be written as a sum of positive squares in only one way, i.e., 25338272400 + 17662941604 = 159180^2 + 132902^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109696779 + ... + 109697170.

Almost surely, 2^43001214004 is an apocalyptic number.

It is an amenable number.

43001214004 is an abundant number, since it is smaller than the sum of its proper divisors (44536972046).

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

43001214004 is a wasteful number, since it uses less digits than its factorization.

43001214004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219393967 (or 219393958 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 43001214004 its reverse (40041210034), we get a palindrome (83042424038).

The spelling of 43001214004 in words is "forty-three billion, one million, two hundred fourteen thousand, four".