9942043950 has 96 divisors (see below), whose sum is σ = 27978923520. Its totient is φ = 2594786400.

The previous prime is 9942043919. The next prime is 9942043999. The reversal of 9942043950 is 593402499.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 9942043896 and 9942043905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14896 + ... + 141795.

It is an arithmetic number, because the mean of its divisors is an integer number (291447120).

Almost surely, 2^9942043950 is an apocalyptic number.

9942043950 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9942043950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13989461760).

9942043950 is an abundant number, since it is smaller than the sum of its proper divisors (18036879570).

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

9942043950 is a wasteful number, since it uses less digits than its factorization.

9942043950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156759 (or 156748 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 9942043950 is about 99709.7986659285. The cubic root of 9942043950 is about 2150.2645392900.

The spelling of 9942043950 in words is "nine billion, nine hundred forty-two million, forty-three thousand, nine hundred fifty".