43026061920 has 48 divisors (see below), whose sum is σ = 135532096560. Its totient is φ = 11473616384.

The previous prime is 43026061909. The next prime is 43026061997. The reversal of 43026061920 is 2916062034.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44818335 + ... + 44819294.

It is an arithmetic number, because the mean of its divisors is an integer number (2823585345).

Almost surely, 2^43026061920 is an apocalyptic number.

43026061920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43026061920 is an abundant number, since it is smaller than the sum of its proper divisors (92506034640).

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

43026061920 is a wasteful number, since it uses less digits than its factorization.

43026061920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89637647 (or 89637639 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 43026061920 in words is "forty-three billion, twenty-six million, sixty-one thousand, nine hundred twenty".