43340687043877 has 32 divisors (see below), whose sum is σ = 46050286464000. Its totient is φ = 40675924638720.

The previous prime is 43340687043749. The next prime is 43340687043889. The reversal of 43340687043877 is 77834078604334.

It is a happy number.

It is not a de Polignac number, because 43340687043877 - 2⁷ = 43340687043749 is a prime.

It is a super-2 number, since 2×43340687043877² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43340687043077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2065700727 + ... + 2065721707.

It is an arithmetic number, because the mean of its divisors is an integer number (1439071452000).

Almost surely, 2^{43340687043877} is an apocalyptic number.

It is an amenable number.

43340687043877 is a deficient number, since it is larger than the sum of its proper divisors (2709599420123).

43340687043877 is a wasteful number, since it uses less digits than its factorization.

43340687043877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23581.

The product of its (nonzero) digits is 227598336, while the sum is 64.

The spelling of 43340687043877 in words is "forty-three trillion, three hundred forty billion, six hundred eighty-seven million, forty-three thousand, eight hundred seventy-seven".