43285920649072 has 40 divisors (see below), whose sum is σ = 88801293697200. Its totient is φ = 20369500787712.

The previous prime is 43285920649067. The next prime is 43285920649091. The reversal of 43285920649072 is 27094602958234.

It is a super-2 number, since 2×43285920649072² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43285920649072.

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, 15152254 + ... + 17780962.

It is an arithmetic number, because the mean of its divisors is an integer number (2220032342430).

Almost surely, 2^{43285920649072} is an apocalyptic number.

It is an amenable number.

43285920649072 is an abundant number, since it is smaller than the sum of its proper divisors (45515373048128).

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

43285920649072 is a wasteful number, since it uses less digits than its factorization.

43285920649072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689273 (or 2689267 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 43285920649072 in words is "forty-three trillion, two hundred eighty-five billion, nine hundred twenty million, six hundred forty-nine thousand, seventy-two".