43098191977728 has 72 divisors (see below), whose sum is σ = 115337766552736. Its totient is φ = 14286693427200.

The previous prime is 43098191977703. The next prime is 43098191977759. The reversal of 43098191977728 is 82777919189034.

It is a self number, because there is not a number n which added to its sum of digits gives 43098191977728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154881538 + ... + 155159553.

Almost surely, 2^{43098191977728} is an apocalyptic number.

43098191977728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43098191977728 is an abundant number, since it is smaller than the sum of its proper divisors (72239574575008).

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

43098191977728 is a wasteful number, since it uses less digits than its factorization.

43098191977728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310041291 (or 310041277 counting only the distinct ones).

The product of its (nonzero) digits is 384072192, while the sum is 75.

The spelling of 43098191977728 in words is "forty-three trillion, ninety-eight billion, one hundred ninety-one million, nine hundred seventy-seven thousand, seven hundred twenty-eight".