90038007443 has 48 divisors (see below), whose sum is σ = 104196830976. Its totient is φ = 77441495040.

The previous prime is 90038007439. The next prime is 90038007467. The reversal of 90038007443 is 34470083009.

It is not a de Polignac number, because 90038007443 - 2² = 90038007439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90038007397 and 90038007406.

It is not an unprimeable number, because it can be changed into a prime (90038007403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82376405 + ... + 82377497.

It is an arithmetic number, because the mean of its divisors is an integer number (2170767312).

Almost surely, 2^90038007443 is an apocalyptic number.

90038007443 is a deficient number, since it is larger than the sum of its proper divisors (14158823533).

90038007443 is a wasteful number, since it uses less digits than its factorization.

90038007443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 90038007443 in words is "ninety billion, thirty-eight million, seven thousand, four hundred forty-three".