43142289366840 has 64 divisors (see below), whose sum is σ = 129430747216800. Its totient is φ = 11504265687552.

The previous prime is 43142289366749. The next prime is 43142289366851. The reversal of 43142289366840 is 4866398224134.

It is a happy number.

It is a super-2 number, since 2×43142289366840² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 1354647 + ... + 9387206.

Almost surely, 2^{43142289366840} is an apocalyptic number.

43142289366840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43142289366840 is an abundant number, since it is smaller than the sum of its proper divisors (86288457849960).

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

43142289366840 is a wasteful number, since it uses less digits than its factorization.

43142289366840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10775336 (or 10775332 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 60.

The spelling of 43142289366840 in words is "forty-three trillion, one hundred forty-two billion, two hundred eighty-nine million, three hundred sixty-six thousand, eight hundred forty".