43066270840 has 32 divisors (see below), whose sum is σ = 98487624960. Its totient is φ = 16944105600.

The previous prime is 43066270823. The next prime is 43066270843. The reversal of 43066270840 is 4807266034.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 43066270793 and 43066270802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43066270843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8822616 + ... + 8827495.

It is an arithmetic number, because the mean of its divisors is an integer number (3077738280).

Almost surely, 2^43066270840 is an apocalyptic number.

43066270840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43066270840 is an abundant number, since it is smaller than the sum of its proper divisors (55421354120).

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

43066270840 is a wasteful number, since it uses less digits than its factorization.

43066270840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17650183 (or 17650179 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 43066270840 in words is "forty-three billion, sixty-six million, two hundred seventy thousand, eight hundred forty".