43020990280 has 32 divisors (see below), whose sum is σ = 99919722240. Its totient is φ = 16653286080.

The previous prime is 43020990277. The next prime is 43020990283. The reversal of 43020990280 is 8209902034.

It is an interprime number because it is at equal distance from previous prime (43020990277) and next prime (43020990283).

It is not an unprimeable number, because it can be changed into a prime (43020990283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17345934 + ... + 17348413.

It is an arithmetic number, because the mean of its divisors is an integer number (3122491320).

Almost surely, 2^43020990280 is an apocalyptic number.

43020990280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43020990280 is an abundant number, since it is smaller than the sum of its proper divisors (56898731960).

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

43020990280 is a wasteful number, since it uses less digits than its factorization.

43020990280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34694389 (or 34694385 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 43020990280 in words is "forty-three billion, twenty million, nine hundred ninety thousand, two hundred eighty".