43427372819890 has 32 divisors (see below), whose sum is σ = 80706688243200. Its totient is φ = 16807298476800.

The previous prime is 43427372819863. The next prime is 43427372819923. The reversal of 43427372819890 is 9891827372434.

It is a super-2 number, since 2×43427372819890² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12156151 + ... + 15317530.

It is an arithmetic number, because the mean of its divisors is an integer number (2522084007600).

Almost surely, 2^{43427372819890} is an apocalyptic number.

43427372819890 is a deficient number, since it is larger than the sum of its proper divisors (37279315423310).

43427372819890 is a wasteful number, since it uses less digits than its factorization.

43427372819890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27478818.

The product of its (nonzero) digits is 146313216, while the sum is 67.

The spelling of 43427372819890 in words is "forty-three trillion, four hundred twenty-seven billion, three hundred seventy-two million, eight hundred nineteen thousand, eight hundred ninety".