43128600400645 has 8 divisors (see below), whose sum is σ = 51760849394304. Its totient is φ = 34498527711504.

The previous prime is 43128600400607. The next prime is 43128600400693. The reversal of 43128600400645 is 54600400682134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43128600400645 - 2¹⁵ = 43128600367877 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 544032529 + ... + 544111798.

It is an arithmetic number, because the mean of its divisors is an integer number (6470106174288).

Almost surely, 2^{43128600400645} is an apocalyptic number.

It is an amenable number.

43128600400645 is a deficient number, since it is larger than the sum of its proper divisors (8632248993659).

43128600400645 is a wasteful number, since it uses less digits than its factorization.

43128600400645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088152259.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 43128600400645 in words is "forty-three trillion, one hundred twenty-eight billion, six hundred million, four hundred thousand, six hundred forty-five".