4423537990128 has 40 divisors (see below), whose sum is σ = 11427569803008. Its totient is φ = 1474500190912.

The previous prime is 4423537990103. The next prime is 4423537990133. The reversal of 4423537990128 is 8210997353244.

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, 6657625 + ... + 7291847.

Almost surely, 2^{4423537990128} is an apocalyptic number.

4423537990128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4423537990128 is an abundant number, since it is smaller than the sum of its proper divisors (7004031812880).

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

4423537990128 is a wasteful number, since it uses less digits than its factorization.

4423537990128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779541 (or 779535 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 4423537990128 in words is "four trillion, four hundred twenty-three billion, five hundred thirty-seven million, nine hundred ninety thousand, one hundred twenty-eight".